TY  - BOOK
AU  - Revenga,Carmen
AU  - Murray,Siobhan
AU  - Abramovitz,Janet
AU  - Hammond,Allen
TI  - Watersheds of the world: ecological value and vulnerability 
SN  - 156973254X
U1  - 551.48 
PY  - 1998///
CY  - Washington, D.C.
PB  - World Resources Institute, Worldwatch Institute
KW  - Watersheds
KW  - Statistics
KW  - Watershed ecology
KW  - Cuencas hidrográficas
ER  -