TY  - BOOK
AU  - Behrman, Daniel
TI  - In partnership with nature: Unesco and the environment, Unesco and its programme 
SN  - 9231011111
U1  - 333.72 23
PY  - 1973///
CY  - Paris
PB  - UNESCO
KW  - Conservation
KW  - Conservación
ER  -