@inproceedings{BUT191753,
  author="Petr {Peringer} and Zdeňka {Rábová}",
  title="Heterogeneous Models",
  booktitle="Proceedings of ECI'98",
  year="1998",
  pages="187--190",
  publisher="Slovak Academy of Science",
  address="Herlany",
  isbn="80-88786-94-0"
}