@techreport{HartungKamaraSacarea97,
  author = {Hartung, G. and Kamara, M. and Sacarea, C.},
  institution = {TH Darmstadt},
  interhash = {c9a605519bee76b97d5ae820e2b6be92},
  intrahash = {af5595658187df1497bf25f9a444d2c5},
  title = {A topological representation for polarity lattices},
  type = {FB4--Preprint},
  year = 1997
}