1994 - Dos Beyond 640k (Hardcover) → Paperback, Hardcover ISBN-13: 9780070216099 ISBN-10: 0070216096 Genre: Computers & Technology ? 1994 - Dos Beyond 640k (Paperback) → Paperback, Hardcover ISBN-13: 9780070216105 ISBN-10: 007021610X Genre: Computers & Technology ? |