1995 - Beaker Expert System for the Organic Chemistry Student Version 21 Dos [Chemistry] (Paperback) ISBN-13: 9780534134105 ISBN-10: 0534134106 Genres: Computers & Technology, Science & Math, Engineering & Transportation ? 1994 - Alchemist the Equation Balancer Version 10 for the Macintosh (Hardcover) ISBN-13: 9780534166922 ISBN-10: 053416692X Genre: Religion & Spirituality ? Beaker Expert System for the Organic Chemistry S (Paperback) ISBN-13: 9780534134136 ISBN-10: 0534134130 ? |