TY - BOOK ED - CSL. Computer Science Logic. Workshop ( 4 ; 1990 ; Heidelberg ) TI - Computer Science Logic 4th Workshop, CSL'90, Heidelberg, Germany, October 1-5, 1990 proceedings T2 - Lecture Notes in Computer Science (LNCS)\\Springer\ SN - 0-387-54487-9; 3-540-54487-9 CY - Berlin; Heidelberg; New York KW - lucrări conferințe AV - III 13325 ER -