1998 - Principles of Geographical Information Systems [Spatial Information Systems] (Hardcover) → Paperback ISBN-13: 9780198233664 ISBN-10: 0198233663 Genres: Nonfiction, Science & Math, Engineering & Transportation ? 1998 - Principles of Geographical Information Systems [Spatial Information Systems] (Paperback) → Hardcover ISBN-13: 9780198233657 ISBN-10: 0198233655 Genres: Business & Money, Nonfiction, Science & Math, Engineering & Transportation ? |