@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
}

@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
}

@inproceedings{Grosskopf96,
  address = {Berlin--Heidelberg},
  author = {Gro{\ss}kopf, Anja},
  booktitle = {Ordinal and symbolic data analysis},
  editor = {Diday, E. and Lechevallier, Y. and Opitz, O.},
  interhash = {0438a04acbf975491b8b8ea99e819683},
  intrahash = {db48738082eb7fcc337272f78b9ca0f3},
  number = 8,
  pages = {70-79},
  publisher = {Springer--Verlag},
  series = {Studies in classification, data analysis, and},
  title = {Formal concept analysis of verb paradigms in linguistics},
  year = 1996
}

@manual{Burmeister87a,
  author = {Burmeister, Peter},
  interhash = {c4bcb6611057cbee895fde8474e86a92},
  intrahash = {b1629524db9c09f8b75af7ba83249980},
  note = { Neuste Version 1991 (auf Programmdiskette
      f{\"u}r Atari ST und MS--DOS--Rechner). },
  organization = { TH Darmstadt },
  title = { Programm zur Formalen Begriffsanalyse
      einwertiger Kontexte },
  year = { 1987 }
}

@techreport{Wille96b,
  author = {Wille, Rudolf},
  institution = {TH Darmstadt},
  interhash = {cabfae97fca0d6f38d5bbc55be7ad51c},
  intrahash = {c7e1f9307d48bc4b5261b4edb8049e49},
  number = 1822,
  organisation = {Simon Fraser University},
  title = {Allgemeine Mathematik -- Mathematik für die Allgemeinheit},
  type = {FB4--Preprint},
  year = 1996
}

@mastersthesis{KuehnRies88,
  author = {K{\"u}hn, R. and Ries, M.},
  interhash = {75fe4ad7f0af204a5146140272f91325},
  intrahash = {536369dd74a6ad2f658456b8076299fb},
  school = { TH Darmstadt },
  title = { Methoden der Formalen Begriffsanalyse beim
      Aufbau kooperativer Information },
  year = { 1988 }
}

@incollection{SpangenbergWolffLuebben97,
  address = {Münster},
  author = {Spangenberg, N. and Wolff, K. E. and Lübben, S.},
  booktitle = {Psychoanalytic research by means of formal concept analysis},
  editor = {Spangenberg, Norbert and Wolff, Karl Erich},
  interhash = {325c5a455f33836133297a758d57edf9},
  intrahash = {eba9ddfb09091e3455356760c0b6026d},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Special des Sigmund--Freud--Instituts, Lit Verlag},
  title = {The time horizon of inner objects and transference: process research through the application of formal concept analysis},
  year = {to appear}
}

@inproceedings{Prediger97b,
  address = {Berlin--Heidelberg--New York},
  author = {Prediger, Susanne},
  booktitle = {Conceptual structures: Fulfilling Peirce's dream},
  editor = {Lukose, D. and Delugach, H. and Keeler, M. and Searle, L. and Sowa, J. F.},
  interhash = {58b221b880884f2e05481ea6ef985635},
  intrahash = {92af88c0599cccf6c1f0006ad7e7f21b},
  number = 1257,
  publischer = {Amer.~Math.~Soc.},
  publisher = {Springer--Verlag},
  series = {Lecture Notes in Artificial Intelligence},
  title = {Logical scaling in formal concept analysis},
  year = 1997
}

@inproceedings{LangsdorfEtAl97,
  address = {Aachen},
  author = {Langsdorf, Rolf and Skorsky, Martin and Wille, Rudolf and Wolf, Albrecht},
  booktitle = {General algebra and applications in discrete mathematics},
  editor = {Denecke, K. and L{\"u}ders, O.},
  interhash = {c463d9fd898212e287737aaaf1893507},
  intrahash = {c51ad803e2f8fe8ca026665c0d3f7fa7},
  pages = {125-136},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Shaker Verlag},
  title = {An approach to automated drawing of concept lattices},
  year = 1997
}

@inproceedings{Priss96b,
  author = {Pri{\ss}, Uta},
  booktitle = {WordNet -- An electronic lexical database and some of its applications},
  editor = {Fellbaum, C.},
  interhash = {e5343d83e03308a06b133c2534625f2e},
  intrahash = {5408a7aad640929cdee304deb6a2f6cd},
  publischer = {Amer.~Math.~Soc.},
  publisher = {MIT--Press},
  title = {The formalization of WordNet by methods of relational concept analysis},
  year = 1996
}

@inproceedings{StrahringerWille97,
  address = {Vancouver},
  author = {Strahringer, Selma and Wille, Rudolf},
  booktitle = {Proceedings of the International Symposium on Knowledge
                 Representation, Use and Storage Efficiency},
  interhash = {2b98b299f9aa24845fbde35c8f944f91},
  intrahash = {b4b96c6d369442e5ec1c8d2af440dd67},
  organisation = {Simon Fraser University},
  title = {Conceptual knowledge processing with ordinal scales},
  year = 1997
}

@inproceedings{GanterWille97,
  author = {Ganter, Bernhard and Wille, Rudolf},
  booktitle = {General lattice theory},
  edition = {2.},
  editor = {Gr{\"a}tzer, G.},
  interhash = {78d2a08839da785e89d89ec6f736b212},
  intrahash = {18f9821b2ae2954adaf12ec9337e28cd},
  title = {Applied lattice theory: formal concept analysis},
  year = {to appear}
}

@article{Reuter89a,
  author = {Reuter, Klaus},
  interhash = {085fdf2c02754ffd5599f11fab361f95},
  intrahash = {1649a7d563e3aec0c00b5e105f595745},
  journal = { Acta Math.~Hung. },
  pages = { 119-127 },
  title = { The Kurosh--Ore exchange property },
  volume = { 53 },
  year = { 1989 }
}

@proceedings{GanterWilleWolff87,
  address = { Mannheim },
  editor = {Ganter, Bernhard and Wille, Rudolf and Wolff, Karl Erich},
  interhash = {b316536865cd028d88f30efde0f25e6a},
  intrahash = {7feb5d959c90c14ad346c44faa73b331},
  publisher = { B.I.--Wissenschaftsverlag },
  title = { Beitr{\"a}ge zur Begriffsanalyse },
  year = { 1987 }
}

@inproceedings{Wille82,
  address = { Dordrecht--Boston },
  author = {Wille, Rudolf},
  booktitle = { Ordered sets },
  editor = {Rival, Ivan},
  interhash = {1e021e8bace9683c92416cd882eb4c4d},
  intrahash = {223d42c44aa6cc3a1ff6134e308efd04},
  pages = { 445-470 },
  publisher = { Reidel },
  title = { Restructuring lattice theory: an approach
      based on hierarchies of concepts. },
  year = { 1982 }
}

@inproceedings{Wolff88a,
  author = {Wolff, Karl Erich},
  booktitle = { 13. Kolloquium Mathematik--Didaktik },
  interhash = {c3b4d218b2709b63b5f78845702cfd52},
  intrahash = {576d9392740e7c3ac8275328759491ec},
  pages = { 3-10 },
  publisher = { Universit{\"a}t Bayreuth },
  title = { Vom begrifflichen Denken zur Begriffsanalyse },
  year = { 1988 }
}

@article{Hartung95,
  author = {Hartung, Gerd},
  interhash = {5d57ba55c7b3d910e17f63bf1cf11bff},
  intrahash = {89c2bff18a335c6f12149c7fc24a49cb},
  journal = {Acta Math.~Univ.~Comenianae},
  pages = {25-41},
  title = {Sublattices of topologically represented
   lattices},
  volume = {LXIV},
  year = 1995
}

@inproceedings{VogtWille95,
  address = {Heidelberg},
  author = {Vogt, Frank and Wille, Rudolf},
  booktitle = {Graph Drawing},
  editor = {Tamassia, Roberto and Tollis, Ioannis G.},
  interhash = {082be8278cb1fc6c664c76e4bf63d126},
  intrahash = {baf34832042cb18eb2390223bd884735},
  organisation = {Simon Fraser University},
  pages = {226-233},
  publisher = {Springer--Verlag},
  title = {TOSCANA --- a graphical tool for analyzing and exploring data},
  year = 1995
}

@mastersthesis{Prediger96,
  author = {Prediger, Susanne},
  interhash = {31b8dfab237fa7e67a410db8903994ec},
  intrahash = {31073f529cb723b2099670fcfd58832c},
  publischer = {Amer.~Math.~Soc.},
  school = {TH Darmstadt},
  title = {Symbolische Datenanalyse und ihre begriffsanalytische Einordnung},
  type = {Staatsexamensarbeit},
  year = 1996
}

@article{Reuter87,
  author = {Reuter, Klaus},
  interhash = {1bbb7bc3ee8015d00e5f2dd2afc1a1bf},
  intrahash = {4fc009e2e7e8cac9b1a80f973434a2e2},
  journal = { Discrete Mathematics },
  pages = { 245-247 },
  title = { Matchings of linearly indecomposable modular
      lattices },
  volume = { 63 },
  year = { 1987 }
}

@techreport{Wille96c,
  author = {Wille, Rudolf},
  institution = {TH Darmstadt},
  interhash = {56ed89b402cd5a82437528e8e067dbff},
  intrahash = {00e5560f256d598f52c213cd6524df01},
  organisation = {Simon Fraser University},
  title = {Conceptual landscapes of knowledge: a pragmatic paradigm for knowledge processing},
  type = {FB4--Preprint},
  year = 1996
}

@proceedings{Wille89e,
  address = { Frankfurt },
  editor = {Wille, Rudolf},
  interhash = {6f86c57261e77d642732daadc86de9e3},
  intrahash = {ed920b6cf80c1685e26e0966c039dada},
  publisher = { Indeks--Verlag },
  title = { Klassifikation und Ordnung },
  year = { 1989 }
}

@mastersthesis{Schmidt82,
  author = {Schmidt, Beate},
  interhash = {cdfa9772d1bc694b16a58afdbf37974b},
  intrahash = {c95698083a2426f3a40a0edd02c2eebf},
  school = { TH Darmstadt },
  title = { Ein Zusammenhang zwischen Graphentheorie und
      Verbandstheorie },
  year = { 1982 }
}

@mastersthesis{Leischner97,
  author = {Leischner, Lutz},
  interhash = {615049d26af657f07cdfdf2bf39084ad},
  intrahash = {f59893d029d951673fbc02959ec6952f},
  publischer = {Amer.~Math.~Soc.},
  school = {TH Darmstadt},
  title = {Additive Ähnlichkeitsmasse},
  year = 1997
}

@inproceedings{Luxenburger97,
  author = {Luxenburger, Michael},
  booktitle = {Modelling incomplete information: fundamentals and application --- the rough set approach},
  editor = {Orlowska, E.},
  interhash = {4c4300a254496ff323dbe8ef134248f6},
  intrahash = {b28291aebab82094d378eaba579f4343},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Springer--Verlag},
  title = {Dependencies between many--valued attributes},
  year = {to appear}
}

@mastersthesis{Schaffert85,
  author = {Schaffert, S.},
  interhash = {438e8719c88b22c50347450b5a068a4b},
  intrahash = {8218f1b4834c5e43a3f469a71b2c8847},
  school = { TH Darmstadt },
  title = { Zerlegungss{\"a}tze f{\"u}r symmetrische Kontexte },
  year = { 1985 }
}

@incollection{Wille85a,
  address = { Wien },
  author = {Wille, Rudolf},
  booktitle = { Contributions to general algebra },
  editor = {Eigenthaler, G. and Kaiser, H. K. and M{\"u}ller, W. B. and N{\"o}bauer, W.},
  interhash = {15a590236cb45daae8d14b702896b0c4},
  intrahash = {91a2ba0bd66693cde518e1dc28eb3987},
  pages = { 397-415 },
  publisher = { H{\"o}lder--Pichler--Tempsky },
  title = { Complete tolerance relations of concept
      lattices },
  volume = { 3 },
  year = { 1985 }
}

@inproceedings{GanterWille86,
  address = { Frankfurt },
  author = {Ganter, Bernhard and Wille, Rudolf},
  booktitle = { Die Klassifikation und ihr Umfeld },
  editor = {Degens, P. O. and Hermes, H.-J. and Opitz, O.},
  interhash = {6722f59ae1b6f5857384c27e4aecf60e},
  intrahash = {2d4152794fd5b454fafb8655ff5a9337},
  pages = { 171-185 },
  publisher = { Indeks--Verlag },
  title = { Implikationen und Abh{\"a}ngigkeiten zwischen
      Merkmalen },
  year = { 1986 }
}

@book{BakerWille95,
  address = {Berlin},
  editor = {Baker, Kirby A. and Wille, Rudolf},
  interhash = {765e30b4a391565dcd8b2cb4344b6836},
  intrahash = {03f2c3113590b3782ef0002e00fc4d40},
  publisher = {Heldermann--Verlag},
  title = {Lattice theory and its applications},
  year = 1995
}

@article{RUWille96,
  author = {Wille, Rudolf and Wille, Uta},
  interhash = {9b16786134008b1c81a1f341d7f95b8e},
  intrahash = {ce224b3a8d46c6f276b0c3fddd0e67bd},
  journal = {Order},
  publischer = {Amer.~Math.~Soc.},
  title = {Coordinatization of ordinal structures},
  volume = 13,
  year = 1996
}

@inproceedings{Wille89b,
  address = { Berlin--Heidelberg },
  author = {Wille, Rudolf},
  booktitle = { Conceptual and numerical analysis of data },
  editor = {Opitz, Otto},
  interhash = {ea7314186ba3d68b21bbbcda0e787e8c},
  intrahash = {4dd2b67aaf47097e4654c3726abddd7c},
  pages = { 239-255 },
  publisher = { Springer--Verlag },
  title = { Geometric representation of concept lattices },
  year = { 1989 }
}

@incollection{SpangenbergFischerWolff97,
  address = {M{\"u}nster},
  author = {Spangenberg, N. and Fischer, R. and Wolff, K. E.},
  booktitle = {Psychoanalytic research by means of formal concept analysis},
  editor = {Spangenberg, Norbert and Wolff, Karl Erich},
  interhash = {15aa8414e4b4878a8854a4fd6a127248},
  intrahash = {225ed24fa9d78d486c5550fb9f623cee},
  publischer = {Amer.~Math.~Soc.},
  publisher = {Special des Sigmund--Freud--Instituts, Lit Verlag},
  title = {Towards a methodology for the exploration of ``tacit structures of knowledge'' to gain access to personal knowledge reserve of psychoanalysis: the example of psychoanalysis versus psychotherapy},
  year = {to appear}
}

@article{Skorsky89b,
  author = {Skorsky, Martin},
  interhash = {b471ab11a844fd69e8dec1905cc5f65e},
  intrahash = {3444265869e2fe767ba1e2c4f78df865},
  journal = { Semigroup Forum },
  pages = { 263-293 },
  title = { Regular monoids generated by two Galois
      connections },
  volume = { 39 },
  year = { 1989 }
}

@mastersthesis{Ruf87,
  author = {Ruf, Uwe},
  interhash = {47c9528fe380ecbcf1dad5b2c7ae8d1d},
  intrahash = {86ba11f92faa96feea11593e4caa4249},
  school = { FH Darmstadt },
  title = { Begriffsanalytische Auswertung statistischer
      Daten },
  year = { 1987 }
}

@article{Vogt96a,
  author = {Vogt, Frank},
  interhash = {e053d5750def3cc2205e414ac865a9ac},
  intrahash = {e5b257b507b19e3e5c65e967b8b5e361},
  journal = {Algebra Universalis},
  organisation = {Simon Fraser University},
  pages = {151-165},
  title = {Bialgebraic contexts for finite distributive lattices},
  volume = 35,
  year = 1996
}

@incollection{Wille95c,
  address = {Darmstadt},
  author = {Wille, Rudolf},
  booktitle = {Dilthey--Kastanie},
  interhash = {14f921c1e43045e80ffa95d7a50a3a57},
  intrahash = {dd50ea90f508c812ef712b2b72d2d28b},
  organisation = {Simon Fraser University},
  pages = {77-109},
  publisher = {Ludwig--Georgs--Gymnasium},
  title = {Begriffsdenken: Von der griechischen Philosophie bis zur Künstlichen Intelligenz heute},
  year = 1995
}