Hotspots earth's biologically richest and most endangered terrestrial ecoregions - Mittermeier, Russell A.; Cemex, S.A. de C.V.; Goettsch Mittermeier, Cristina; Myers, Norman; Robles Gil, Patricio; Agrupacion Sierra Madre; Conservation International ([Mexico City] CEMEX, 1999)
"Produced for CEMEX by Agrupaci'on Sierra Madre and Conservation International -- p.7."
Includes bibliographical references.
Keywords: Endangered ecosystems; Endangered ecosystems -- Pictorial works; Biological diversity; Biological diversity -- Pictorial works