@inproceedings{SLP-1987-MatwinSKMK87,
	author        = "Stan Matwin and Stan Szpakowicz and Gregory E. Kersten and Wojtek Michalowski and Zbig Koperczak",
	booktitle     = "{Proceedings of the Fourth Symposium on Logic Programming}",
	isbn          = "0-8186-0799-8",
	pages         = "499--506",
	publisher     = "{IEEE-CS}",
	title         = "{A Logic-Based Tools for Negotiation Support}",
	year          = 1987,
}