TY - BOOK AU - Debray Saumya ed. ED - North American Conference on Logic Programming (29 Oct - 1 Nov 1990 : Austin,Texas.) ED - North American conference on logic programming TI - Logic programming: proceedings SN - 0-262-54058-4 U1 - 6.3 PY - 1990/// CY - Cambridge PB - MIT Press KW - Logic programming ER -