@inbook{BUT54356,
  author="František {Zezulka} and Miroslav {Švéda}",
  title="Communication on the Control Level--An Extension Phenomenon of Control",
  booktitle="Proceedings of the 15th International Congress on Cybernetic",
  year="1998",
  publisher="Association Internationale de Cybernetique",
  address="Namur, France",
  pages="6",
  isbn="2-87215-00"
}