@InProceedings{thielscher:AIICSR97,
  author = 	"Michael Thielscher",
  title = 	"Challenges for Action Theories (Extended Abstract)",
  booktitle = 	"Proceedings of the International Conference on
		  Artificial Intelligence and Information-Control
		  Systems of Robots (AIICSR)",
  year = 	"1997",
  editor =	"I.\ Plander",
  pages =	"",
  publisher =	"World Scientific Publishing Co.\ Singapore",
  address =	"Bratislava, Slovakia",
  month =	sep,
  note =        "(Invited talk)"
}