GT Prolog – QL (Part 2) Authors Mel E. LaVerne Publication International QL Report Pub Details International QL Report V4 I3 Volume: 4 Issue: 3 Date September/October 1994 Pages 63-66 Read the article See all articles from International QL Report V4 I3 Products Downloadable Media Related Articles Image Gallery Tags International QL Report Prolog (programming language) QL Software review People Mel E. LaVerne