TY - BOOK AU - Spence,Rick TI - Clipper programming guide T2 - The Data based advisor series SN - 817029021X U1 - 005.7565 20 PY - 1989/// CY - San Marcos, CA, New Delhi PB - Microtrend Books, BPB Publication KW - Clipper (Computer program language) N1 - Includes index ER -