| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gis '87-San Francisco: Second Annual International Conference, Exhibits and Workshops on Geographic Information Systems | 978-O-944426-OO-5 (O-944426-OO-X) | 1987 |
R. C. · Russell C · Russell G. Congalton · Russell G (Edditor) Congalton