@INPROCEEDINGS{Kern-Isberner99_Konferenz_KI,
  AUTHOR = {G. Kern-Isberner},
  TITLE  = {Following conditional structures of knowledge},
  BOOKTITLE = {{KI-99}: Advances in Artificial Intelligence, Proceedings of the 23rd Annual German Conference on Artificial Intelligence},
  PUBLISHER = {Springer Lecture Notes in Artificial Intelligence {LNAI} 1701},
  PAGES = {125-136},
  YEAR   = 1999}