@inproceedings{Biedermann98Powerset,
  address = {Heidelberg},
  author = {Biedermann, K.},
  booktitle = {Conceptual Structures: Theory, Tools and Applications},
  editor = {Mugnier, M.-L. and Chein, M.},
  interhash = {9e053417829e6e2b9a75b56da1abf707},
  intrahash = {2049a43ce864dd0511da8a6770279167},
  number = 1453,
  pages = {209-224},
  publisher = {Springer},
  series = {LNAI},
  title = {Powerset Trilattices},
  year = 1998
}