@inproceedings{stumme97computing,
  address = {Vancouver, Canada},
  author = {Stumme, Gerd and Wolff, Karl Erich},
  booktitle = {Proc. Intl. Symposium on Knowledge Retrieval, Use, and Storage for Efficiency},
  comment = {alpha},
  interhash = {b04ab6b2046b85dba6d861ad23b8101a},
  intrahash = {09244927cabf900accd89964a28c41de},
  month = {Aug 11-13},
  pages = {206-219},
  title = {Computing in Conceptual Data systems with relational structures},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/1997/KRUSE97.pdf},
  year = 1997
}

@inproceedings{stumme96local,
  address = {Heidelberg},
  author = {Stumme, Gerd},
  booktitle = {Conceptual Structures: Knowledge Representation as Interlingua Proc. ICCS'96},
  comment = {alpha},
  editor = {Eklund, P. W. and Ellis, G. and Mann, G.},
  interhash = {9dd842bfb8ed86db6ca1abb5333ca4f0},
  intrahash = {5587af243210466a9831de68a1cdb058},
  pages = {308-320},
  publisher = {Springer},
  series = {LNAI},
  title = {Local Scaling in Conceptual Data Systems},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/1996/P1827-ICCS96.pdf},
  volume = 1115,
  year = 1996
}

@inproceedings{stumme1995knowledge,
  address = {Berlin--Heidelberg--New~York},
  author = {Stumme, Gerd},
  booktitle = {Conceptual structures: applications, implementation and theory},
  editor = {Ellis, G. and Levinson, R. and Rich, W. and Sowa, J. F.},
  interhash = {8d345e4fd5d9422ef43d6bc88548b3f1},
  intrahash = {81ad0b71e433513125eed3a478b28b60},
  number = 954,
  organisation = {Simon Fraser University},
  publisher = {Springer--Verlag},
  series = {Lecture Notes in Artificial Intelligence},
  title = {Knowledge acquisition by distributive concept exploration},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/1995/ICCS95_not_in_cv.pdf},
  year = 1995
}

@incollection{Wille87b,
  address = { Mannheim },
  author = {Wille, Rudolf},
  booktitle = { Beitr{\"a}ge zur Begriffsanalyse },
  editor = {Ganter, Bernhard and Wille, Rudolf and Wolff, Karl Erich},
  interhash = {306a7244f4f38d04c77af827f71bea1f},
  intrahash = {9393d6e046e5919370d6ca9d7204f53a},
  pages = { 161-211 },
  publisher = { B.I.--Wissenschaftsverlag },
  title = {{Bedeutungen von Begriffsverb{\"a}nden}},
  year = { 1987 }
}

@inproceedings{burmeister00conimp,
  address = {Heidelberg},
  author = {Burmeister, Peter},
  booktitle = {Begriffliche Wissensverarbeitung: Methoden und Anwendungen},
  editor = {Stumme, Gerd and Wille, Rudolf},
  interhash = {3ea2d8a7be544576d6da6106e5d1001a},
  intrahash = {af89ec07ab6dc5ca2a8f2c265c6df9be},
  pages = {25-56},
  publisher = {Springer},
  title = {ConImp: Ein Programm zur Formalen Begriffsanalyse},
  year = 2000
}

@book{pollandt97fuzzy,
  address = {Berlin--Heidelberg},
  author = {Pollandt, Silke},
  interhash = {93875c0952c3a4284b16ebb375ac557e},
  intrahash = {dc41ef959c69e671ffbc6176d00ccbbb},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Springer--Verlag},
  title = {Fuzzy Begriffe: Formale Begriffsanalyse von unscharfen Daten},
  year = 1997
}

@inproceedings{wille96restructuring,
  address = {New~York},
  author = {Wille, Rudolf},
  booktitle = {Logic and algebra},
  editor = {Ursini, Aldo and Agliano, Paolo},
  interhash = {e44248b272fabc53ba7736a6773ca7b4},
  intrahash = {218adf1133c7845098914b7b7d3c7744},
  organisation = {Simon Fraser University},
  pages = {267-281},
  publisher = {Marcel Dekker},
  title = {Restructuring mathematical logic: an approach based on Peirce's pragmatism},
  year = 1996
}

@inproceedings{wille97conceptual,
  address = {Heidelberg},
  author = {Wille, Rudolf},
  booktitle = {Conceptual Structures: Fulfilling Peirce's Dream},
  citeulike-article-id = {1438792},
  editor = {Lukose, D. and Delugach, H. and Keeler, M. and Searle, L. and Sowa, J. F.},
  interhash = {b642926b1e67db495edc3b62e1ba7571},
  intrahash = {046f80236ce102035e0efb984ab248aa},
  pages = {290--303},
  publisher = {Springer},
  series = {Lecture Notes in Artificial Intelligence},
  title = {Conceptual Graphs and Formal Concept Analysis},
  volume = 1257,
  year = 1997
}

@incollection{ganter87algorithmen,
  address = { Mannheim },
  author = {Ganter, Bernhard},
  booktitle = { Beitr{\"a}ge zur Begriffsanalyse },
  editor = {Ganter, B. and Wille, R. and Wolff, K. E.},
  interhash = {9774f54b5e5334ed781618385ded2e75},
  intrahash = {683ce6dfe15a7c4efe529891527581dd},
  pages = { 241-254 },
  publisher = { B.I.--Wissenschaftsverlag },
  title = { Algorithmen zur Formalen Begriffsanalyse },
  year = { 1987 }
}

@inproceedings{ganter86conceptual,
  address = { Amsterdam },
  author = {Ganter, Bernhard and Stahl, J{\"u}rgen and Wille, Rudolf},
  booktitle = { Classification as a tool of research },
  editor = {Gaul, W. and Schader, Martin},
  interhash = {d3d136609a76a5b4b1e12a5dce9063e3},
  intrahash = {1087963e18eae890ef3129e130883206},
  pages = { 169-176 },
  publisher = { North--Holland },
  title = { Conceptual measurement and many--valued
      contexts },
  year = { 1986 }
}

@inproceedings{wille96conceptual,
  address = {Berlin--Heidelberg--New York},
  author = {Wille, Rudolf},
  booktitle = {Conceptual structures: representation as interlingua},
  editor = {Eklund, P. W. and Ellis, G. and Mann, G.},
  interhash = {792bbeeb5490f4e03e8624fcf4089a7f},
  intrahash = {fa2f3819aa2d9c3929e3b6ad1c914af4},
  organisation = {Simon Fraser University},
  pages = {23-39},
  publisher = {Springer--Verlag},
  title = {Conceptual structures of multicontexts},
  year = 1996
}

@inproceedings{BiedermannWille96,
  address = {Heidelberg},
  author = {Biedermann, Klaus and Wille, Rudolf},
  booktitle = {From data to knowledge},
  editor = {Gaul, W. and Pfeiffer, D.},
  interhash = {240cd62a73343c8257ab2a4d3d9d6052},
  intrahash = {671bac5e68875a410e5b157315a9986f},
  pages = {141-150},
  publisher = {Springer--Verlag},
  title = {Valuations and hierarchizations},
  year = 1996
}

@inproceedings{LehmannWille95,
  address = {Berlin--Heidelberg--New~York},
  author = {Lehmann, Fritz and Wille, Rudolf},
  booktitle = {Conceptual structures: applications, implementation and theory},
  editor = {Ellis, G. and Levinson, R. and Rich, W. and Sowa, J. F.},
  interhash = {fa3e423ee0c5a9dadc3211c3f8a5e4a6},
  intrahash = {341d19e74e2cce2ea9d5a94df8b48873},
  number = 954,
  pages = {32-43},
  publisher = {Springer--Verlag},
  series = {Lecture Notes in Artificial Intelligence},
  title = {A triadic approach to formal concept analysis},
  year = 1995
}

@article{Wille95b,
  author = {Wille, Rudolf},
  interhash = {c5223bed0a0995c5f3cd8962a9d54212},
  intrahash = {f24cf862d804127a50bf6967a08276c3},
  journal = {Order},
  organisation = {Simon Fraser University},
  pages = {149-158},
  title = {The basic theorem of triadic concept analysis},
  volume = 12,
  year = 1995
}

@inproceedings{Biedermann97b,
  address = {Berlin--Heidelberg--New York},
  author = {Biedermann, Klaus},
  booktitle = {Conceptual structures: Fulfilling Peirce's dream},
  editor = {Lukose, D. and Delugach, H. and Keeler, M. and Searle, L. and Sowa, J. F.},
  interhash = {842a769c65bb9f2c6c0433a56bf0b2ef},
  intrahash = {24fb9af131fe66186426eda2dae201a6},
  number = 1257,
  publisher = {Springer--Verlag},
  series = {LNAI},
  title = {How triadic diagrams represent conceptual structures},
  year = 1997
}

@inproceedings{Biedermann97a,
  address = {Aachen},
  author = {Biedermann, Klaus},
  booktitle = {General algebra and applications in discrete mathematics},
  editor = {Denecke, K. and L{\"u}ders, O.},
  interhash = {d4b70c32999abf763b635b2203ca5081},
  intrahash = {491dfd061877ee08c8018136df5ad66a},
  pages = {23-33},
  publisher = {Shaker Verlag},
  title = {Triadic Galois connections},
  year = 1997
}

@mastersthesis{Rindfrey88,
  author = {Rindfrey, K.},
  interhash = {762f901290e238da9b3ed6334e991e69},
  intrahash = {2b273b40375ba11e318a89b8fcd4cafd},
  school = { TH Darmstadt },
  title = { Endliche, einstellige Algebren (S,f)
      untersucht mit Methoden der Formalen Begriffsanalyse},
  year = { 1988 }
}

@incollection{Wille84b,
  address = { Frankfurt },
  author = {Wille, Rudolf},
  booktitle = { Anwendungen der Klassifikation: Datenanalyse
      und numerische Klassifikation },
  editor = {Bock, Hans-Herrmann},
  interhash = {aa5a5474c0a4387314c7d0148e4478c9},
  intrahash = {82d6c7fb9250e96c1d23ecc76344368b},
  note = { Line diagrams of hierarchical concept systems (engl.\
        {\"U}bersetzung). {\em Int. Classif.} {\bf 11} (1984), 77--86 },
  pages = { 32-51 },
  publisher = { Indeks--Verlag },
  title = { Liniendiagramme hierarchischer Begriffssysteme },
  year = { 1984 }
}

@article{Bartenschlager95,
  author = {Bartenschlager, Georg},
  interhash = {fe778802c88dd26c7dc6af8a9f9ebe68},
  intrahash = {3c61e7b04815a79f3c46cce017ae69a2},
  journal = {Acta Math.~Univ.~Comenianae},
  pages = {1-23},
  title = {Free bounded distributive lattices over finite ordered sets and their skeleton},
  volume = {LXIV},
  year = 1995
}

@inproceedings{JanowitzWille95,
  address = {Providence, R.~I.},
  author = {Janowitz, Melvin F. and Wille, Rudolf},
  booktitle = {Partitioning data sets},
  editor = {Cox, I. J. and Hansen, P. and Jolesz, B.},
  interhash = {00d062518a5549c3572b26f7ce9956f3},
  intrahash = {65dd8521862eca7c81bd6ba32d0f0433},
  number = 19,
  pages = {117-141},
  publischer = {Amer.~Math.~Soc.},
  series = {DIMACS Series in Discrete Mathematics and The},
  title = {On the classification of monotone--equivariant cluster methods},
  year = 1995
}

@techreport{Skorsky86,
  author = {Skorsky, Martin},
  institution = { FB4, TH Darmstadt },
  interhash = {fab59fa01eb502af5ff49a054702c5f5},
  intrahash = {60f71578e2a287563a2a62f645d1a23d},
  title = { Handbuch f{\"u}r Benutzer und Programmierer des
      Programmpakets ANACONDA },
  type = { Umdruck },
  year = { 1986 }
}

@article{Wille85c,
  author = {Wille, Rudolf},
  interhash = {b6edf1f634c9b20eba79de9f5d22382b},
  intrahash = {f88164d812c832c753734701db179f46},
  journal = { Atti Inc. Logica Mathematica },
  pages = { 635-648 },
  title = { Finite distributive lattices as concept
      lattices },
  volume = { 2 },
  year = { 1985 }
}

@inproceedings{Pollandt97b,
  address = {Berlin--Heidelberg},
  author = {Pollandt, Silke},
  booktitle = {Begriffliche Wissensverarbeitung: Methoden und Anwendungen},
  editor = {Stumme, Gerd and Wille, Rudolf},
  interhash = {f421f50d31048f535ccb03cf14e8a95d},
  intrahash = {bd8bab2cd18893a55eccb4ce91a496db},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Springer--Verlag},
  title = {Datenanalyse mit Fuzzy--Begriffen},
  year = {in Vorbereitung}
}

@phdthesis{Hoch89,
  author = {Hoch, Sigrid},
  interhash = {26fcd54239446c65e6a58a5501b4238d},
  intrahash = {be0135a11f03843d990738f05631fd12},
  school = { TH Darmstadt },
  title = { Begriffsverb{\"a}nde mit Anti--Endomorphismus },
  year = { 1989 }
}

@phdthesis{Priss96a,
  author = {Pri{\ss}, Uta},
  interhash = {d5f6cc3813265938794e12be4fcf36e3},
  intrahash = {4bc973723f2fdf9536068759d66d69c6},
  publischer = {Amer.~Math.~Soc.},
  school = {TH Darmstadt},
  title = {Relational concept analysis: semantic structures in dictionarie and lexical databases},
  year = 1996
}

@techreport{Prediger97c,
  author = {Prediger, Susanne},
  institution = {TH Darmstadt},
  interhash = {f6173f11a668debe0eb18d8f0fcdfd08},
  intrahash = {7c126e5cc7cd8b004d9f1eb15d9a1b73},
  publischer = {Amer.~Math.~Soc.},
  title = {Symbolic objects in formal concept analysis},
  type = {FB4--Preprint},
  year = 1997
}

@inproceedings{LukschWille88,
  address = { Amsterdam },
  author = {Luksch, Peter and Wille, Rudolf},
  booktitle = { Classification and related methods of data
      analysis },
  editor = {Bock, Hans-Herrmann},
  interhash = {e3bf01dca5352e157c2f81bd81efc891},
  intrahash = {301f75a1e8ff735231fb336309b17245},
  pages = { 167-176 },
  publisher = { North--Holland },
  title = { Formal concept analysis of paired
          comparisons },
  year = { 1988 }
}

@inproceedings{Wolff95a,
  address = {Berlin},
  author = {Wolff, Karl Erich},
  booktitle = {Informationsgewinnung aus Messdaten. 6. Arbeitsgespräch der Fachgruppe Physik/Informatik/Informationstechnik},
  editor = {Hofmann, H. and Richter, D. and Zeidler, C.},
  interhash = {015751709f5c67d4afa1072b4f8f89be},
  intrahash = {ccaa9a63dd6edff660ea66cc3ca2d4d7},
  organisation = {Simon Fraser University},
  organization = {122. PTB-Seminar, Physikalisch-Technische Bundesanstalt},
  pages = {100-111},
  title = {Anwendungen der Formalen Begriffsanalyse in der Messtheorie und der Messpraxis},
  year = 1995
}

@inproceedings{Wolff88b,
  address = { Strasbourg },
  author = {Wolff, Karl Erich},
  booktitle = { Actes $\rm 19^e$ S{\'e}minaire Lotharingien
         de Combinatoire },
  interhash = {77e1091cb126c954859c2d49735df9f5},
  intrahash = {636f9c377e208ea8d873e0a51195d566},
  pages = { 85-96 },
  publisher = { Publication de l'Institut de Recherche
         Math{\'e}matique Avanc{\'e}e  },
  title = { Einf{\"u}hrung in die Formale Begriffsanalyse },
  year = { 1988 }
}

@inproceedings{PoguntkeWille86,
  address = { Hamburg },
  author = {Poguntke, Werner and Wille, Rudolf},
  booktitle = { Mathematische Modellierung },
  editor = {Kempf, A. M. and Wille, F.},
  interhash = {61e65c2074e231cd6eac75e9acd7dfea},
  intrahash = {f4edef9f791393b7f3c5d9eaad6157b9},
  pages = { 283-293 },
  publisher = { McGraw--Hill },
  title = { Zur Restrukturierung der mathematischen
      Ordnungstheorie },
  year = { 1986 }
}

@incollection{Wille89c,
  address = { Wilhelmshaven },
  author = {Wille, Rudolf},
  booktitle = { Jahrbuch Musikpsychologie },
  interhash = {14399dbecea3123061c8ad1cc70b84b8},
  intrahash = {747f2cbc1bb1676761dc80be21b34a32},
  pages = { 121-132 },
  publisher = { Noetzel Verlag },
  title = { Formale Begriffsanalyse diskutiert an einem
      Experiment zum Musikerleben im Fernsehen },
  volume = { 6 },
  year = { 1989 }
}

@inproceedings{DornEtAl82,
  author = {Dorn, Gernot and Frank, R. and Ganter, Bernhard and Kipke, Uwe and Poguntke, Werner and Wille, Rudolf},
  booktitle = { Berichte der AG Mathematisierung },
  interhash = {ee66decce32b77a6b2b7957e1c568ff5},
  intrahash = {809ef722e3dd651895cba12c3b8a5e45},
  note = { Auch in: {\em Wechselwirkung} {\bf 15} (1982), 20--23 },
  organization = { GH Kassel },
  pages = { 228-240 },
  title = { Forschung und Mathematisierung --- Suche nach
      Wegen aus dem Elfenbeinturm },
  volume = { 3 },
  year = { 1982 }
}

@mastersthesis{Knopp97,
  author = {Knopp, Peter},
  interhash = {73e84544e295d4e04ade3f5ac42cb30f},
  intrahash = {eb5d39a1a7e705631894deb758fd7072},
  publischer = {Amer.~Math.~Soc.},
  school = {TH Darmstadt},
  title = {Ein begriffliches Lernsystem zur Formalen Begriffsanalyse},
  year = 1997
}

@article{Mitas95,
  author = {Mitas, Jutta},
  interhash = {6dabb5e16c53157edd412e06d42ed3b7},
  intrahash = {c6a1a046db6715f886baaef0cf2098fe},
  journal = {Discrete Mathematics},
  pages = {75-95},
  publischer = {Amer.~Math.~Soc.},
  title = {Interval orders based on arbitrary ordered sets},
  volume = 144,
  year = 1995
}

@mastersthesis{Gast96,
  author = {Gast, Petra},
  interhash = {d902ef108a992111c4408411a53433f3},
  intrahash = {ca14df98ada62772041182d83d905d2f},
  school = {TH Darmstadt},
  title = {Begriffliche Strukturen mehrwertiger Multikontexte},
  year = 1996
}

@article{BurmeisterWojdylo96,
  author = {Burmeister, Peter and Wojdylo, B.},
  interhash = {3641be526cc0b0290d6d14ef26066517},
  intrahash = {f0d322cc804bdfd71d7bfd2593c15d62},
  journal = {Demonstratio Mathematica},
  number = 4,
  pages = {825-848},
  title = {The meaning of basic category theoretical notions in some categories of partial algebras III},
  volume = 29,
  year = 1996
}

@book{Vogt96b,
  address = {Berlin--Heidelberg--New~York},
  author = {Vogt, Frank},
  interhash = {8a5a6d7b4341cdc5b759d65a785366dc},
  intrahash = {206a4dd1fcf2297549ded803eff9f0e9},
  organisation = {Simon Fraser University},
  publisher = {Springer--Verlag},
  title = {Formale Begriffsanalyse mit C++: Datenstrukturen und Algorithmen},
  year = 1996
}

@article{Wille85b,
  author = {Wille, Rudolf},
  interhash = {7af953ad62d33ab44f24659a0eda49b2},
  intrahash = {6a811c8b49e8ddc90c78d555b73a828c},
  journal = { Order },
  pages = { 81-95 },
  title = { Tensorial decomposition of concept lattices },
  volume = { 2 },
  year = { 1985 }
}

@article{MonjardetWille88,
  author = {Monjardet, Bernard and Wille, Rudolf},
  interhash = {794bf64db8d5099f82f1893d3eda695d},
  intrahash = {9e9669490210f5e1ccdb30b611e74ba5},
  journal = { Discrete Mathematics },
  pages = { 163-164 },
  title = { On finite lattices generated by their doubly
      irreducible elements },
  volume = { 73 },
  year = { 1988/89 }
}

@inproceedings{BurmeisterWojdylo87,
  address = { Wien },
  author = {Burmeister, Peter and Wojdylo, B.},
  booktitle = { Contributions to general algebra },
  editor = {Czermak, J. and Eigenthaler, G. and Kaiser, H. K. and M{\"u}ller, W. B. and N{\"o}bauer, W.},
  interhash = {df1d8a792336f250e04c6a29926ed2ec},
  intrahash = {f5bfd143e384ea679d5216b02013bdf4},
  pages = { 71-90 },
  publisher = { H{\"o}lder--Pichler--Tempsky },
  title = { Properties of homomorphisms and quomorphisms
      between partial algebras },
  volume = { 5 },
  year = { 1987 }
}

@mastersthesis{Schmidt88,
  author = {Schmidt, Roland},
  interhash = {555f6116ae13fda1bcce6dc9ad09e3e1},
  intrahash = {9047f9a588bed66d33814efdb053548e},
  school = { TH Darmstadt },
  title = { Verbandstheoretische Analyse von Liniendiagrammen },
  year = { 1988 }
}

@inproceedings{SpangenbergWolff88a,
  address = { Amsterdam },
  author = {Spangenberg, Norbert and Wolff, Karl Erich},
  booktitle = { Classification and related methods of data
      analysis },
  editor = {Bock, Hans-Herrmann},
  interhash = {9e74c8bb66c656f1d29bed755d80798e},
  intrahash = {9b6a70e0761da47557adde5f8df8c1c2},
  pages = { 577-580 },
  publisher = { North--Holland },
  title = { Conceptual grid evaluation },
  year = { 1988 }
}

@incollection{Spangenberg97,
  address = {M{\"u}nster},
  author = {Spangenberg, Norbert},
  booktitle = {Psychoanalytic research by means of formal concept analysis},
  editor = {Spangenberg, Norbert and Wolff, Karl Erich},
  interhash = {073d35c67340dfa4eaa934c2231c521a},
  intrahash = {becdc5218aee8e5f99346af34d71be47},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Special des Sigmund--Freud--Instituts, Lit Verlag},
  title = {The conceptual structure of countertransference associations: an examination of diagnostic associations through an analysis of their semantic features},
  year = {to appear}
}

@inproceedings{RUWille95,
  address = {Wien},
  author = {Wille, Rudolf and Wille, Uta},
  booktitle = {Contributions to general algebra},
  interhash = {661d478e744c74b416c7ff572b097fcd},
  intrahash = {b3608d647c9d65ecf74b28720c01aa8b},
  pages = {321-324},
  publischer = {Amer.~Math.~Soc.},
  publisher = {H{\"o}lder--Pichler--Tempsky},
  title = {Uniqueness of coordinatizations of ordinal structures},
  volume = 9,
  year = 1995
}

@mastersthesis{Kark89,
  author = {Kark, Manfred},
  interhash = {bc7fb1e71585ab240817d7a4ab665877},
  intrahash = {c5e76649f7573b553845db6415f018bd},
  school = { FH Darmstadt },
  title = { Interaktives Zeichnen geometrischer
      Darstellungen von Begriffsverb{\"a}nden },
  year = { 1989 }
}

@inproceedings{Wille88a,
  address = { Amsterdam },
  author = {Wille, Rudolf},
  booktitle = { Classification and related methods of data
      analysis },
  editor = {Bock, Hans-Herrmann},
  interhash = {fcce5dc0b57dd49cc49e888ef7a276f1},
  intrahash = {09a66ec1d5700e0fcdf845dc6ef7827f},
  pages = { 581-586 },
  publisher = { North--Holland },
  title = { Dependencies of many valued attributes },
  year = { 1988 }
}

@mastersthesis{Kaufmann96,
  author = {Kaufmann, Uwe},
  interhash = {b6f35edaf9528399fe231e37334b38b3},
  intrahash = {b62627a54fbbb8495cef19ede0c84db4},
  publischer = {Amer.~Math.~Soc.},
  school = {TH Darmstadt},
  title = {Begriffliche Analyse über Flugereignisse --- Implementierung eines Erkundungs- und Analysesystems mit TOSCANA},
  year = 1996
}

@inproceedings{KipkeWille86,
  address = { Frankfurt },
  author = {Kipke, U. and Wille, Rudolf},
  booktitle = { Die Klassifikation und ihr Umfeld },
  editor = {Degens, P. O. and Hermes, H.-J. and Opitz, O.},
  interhash = {b7f9cc96addb6fb405fcdf5922507cbf},
  intrahash = {463adf4f82e8f7d96a14e022828fe783},
  pages = { 164-170 },
  publisher = { Indeks--Verlag },
  title = { Begriffsverb{\"a}nde als Ablaufschemata zur
      Gegenstandsbestimmung },
  year = { 1986 }
}

@techreport{Ganter84,
  author = {Ganter, Bernhard},
  institution = { TH Darmstadt },
  interhash = {62fd13c2ddd3bc2b4efd48401685e995},
  intrahash = {1bc856041d1f4a5284e9780cb4fee41c},
  number = { 831 },
  title = { Two basic algorithms in concept analysis },
  type = { FB4--Preprint },
  year = { 1984 }
}