C.R. · Carlos Valenzuela · R. Valenzuela
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ilwis: the Integrated Land and Watershed Management Information System: Scientific Status Report on the Project: Geo Information System for Land Use Zoning and Watershed Management | 978-90-6164-055-4 (90-6164-055-5) | 1988 | Allard M J. Meijerink · Ann Stewart |
| Remote Sensing and Geographical Information Systems for Resource Management in Developing Countries | 978-0-7923-1268-0 (0-7923-1268-6) | 1991 | Alan S. Belward |