TY - JOUR AU - TI - An Introduction to the System JF - A Computational Logic Handbook DO - 10.1016/b978-0-12-122952-8.50011-1 DA - 1988-01-01 UR - https://www.deepdyve.com/lp/crossref/an-introduction-to-the-system-F8gcP93Hto SP - 177 EP - 185 DP - DeepDyve ER -