Charles L. Convis Conservation geography : case studies in GIS, computer mapping, and activism / edited by Charles L. Convis. - Redlands, CA : ESRI, 2001. - 219 p. ; il. col., mapas ; 27 cm. Inglés ISBN: 1589480244 Subjects--Topical Terms: ConservationGeographyGeografíaConservación Dewey Class. No.: 910