1995 - Leks (Paperback) → Hardcover ISBN-13: 9780691037271 ISBN-10: 0691037272 Genres: Science & Math, Engineering & Transportation ? 1995 - Leks (Hardcover) → Paperback ISBN-13: 9780691037288 ISBN-10: 0691037280 Genres: Reference, Science & Math, Engineering & Transportation ? |