@inproceedings{Wille95Triadic,
  address = {Berlin-Heidelberg-New York},
  author = {Wille, R.},
  booktitle = {Conceptual structures: theory, tools and application},
  editor = {Mugnier, M.-L. and Chein, M.},
  interhash = {3920f54deceeffe78e4c53a06f463269},
  intrahash = {b03f84610b36963de6d41d64591dd2d7},
  number = 1453,
  pages = {194-208},
  publisher = {Springer},
  series = {LNAI},
  title = {{T}riadic {C}oncept {G}raphs.},
  year = 1998
}