@article {111,
	title = {Cooperating to be noncooperative: The dialog system PRACMA},
	journal = {In KI-94: Advances in artificial intelligence},
	year = {1994},
	month = {1994///},
	pages = {106--117 - 106--117},
	url = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.29.6070},
	author = {Jameson,A. and Ndiaye,A. and Schafer,R. and Simons,J. and Weis,T. and Zimmermann,D.}
}
