@InProceedings{thielscher:KR06,
  author = 	"Thomas Witkowski and Michael Thielscher",
  title =       "The {Features-and-Fluents} Semantics for the Fluent Calculus",
  booktitle =   "Proceedings of the International Conference on
                  Principles of Knowledge Representation and Reasoning
                  (KR)",
  year = 	2006,
  editor = 	"P.\ Doherty and J.\ Mylopoulos and C.\ Welty",
  pages =	"362--370",
  address = 	"Lake District, UK",
  month =       jun
}