TY  - BOOK
ED  - Woodrow Wilson international centre for schclars
TI  - The Human Environment
T2  - Environment ; 
PY  - 1972///
CY  - Washington, 
KW  - EDUCACION-BIBLIOGRAFIA
N1  - Contenido.- t. 1. A selective, annotated bibliography of reports and documents on international environmental problems.- t. 2. Summaris of national reports
ER  -