TY  - BOOK
ED  - United Nations Development Programme.
ED  - United Nations Environment Programme.
ED  - World Bank.
ED  - World Resources Institute.
TI  - World resources 2000-2001: people and ecosystems : the fraying Web of life 
T2  - The World Resource Series
SN  - 1-56973-443-7
AV  - GE300 W67 2000
PY  - 2000///
CY  - Washington, D.C.
PB  - World Resources Institute
N1  - Incluye bibliografia
ER  -