TY - BOOK ED - IFIP TC 2/WG 2.2 Working Conference on Formal Description of Programming Concepts( 3rd : 1986 : Denmark ) ED - IFIP TC 2/WG 2.2 Working Conference on Formal Description of Programming Concepts 3rd TI - Formal description of programming concepts : proceedings SN - 0-444-70253-9 U1 - 5.1 PY - 1987/// CY - Amsterdam PB - North Holland KW - Computer science KW - Logic programming ER -