@inproceedings{ kup:prz:02, editor = "Kosta, Peter and Frasek, Jens", author = "Kupść, Anna and Przepiórkowski, Adam", publisher = "Peter Lang", title = "Morphological Aspects of Verbal Negation in {Polish}", url = "http://nlp.ipipan.waw.pl/~adamp/Papers/1997-fdsl2-ak/", booktitle = "Current Approaches to Formal {S}lavic Linguistics: Proceedings of the Second {E}uropean Conference on Formal Description of {S}lavic Languages, {P}otsdam, 1997", year = "2002", address = "Frankfurt am Main", pages = "337--346" }