TY  - BOOK
ED  - UNESCO
TI  - Use and conservation of the biosphere: : proceedings of the intergovernmental conference of experts on the scientific basis for rational use and conservation of the resources of the biosphere..
T2  - Natural resources research
U1  - 581.5 
PY  - 1970///
CY  - Paris
PB  - UNESCO
KW  - Ecología animal
KW  - Ecología humana
KW  - Ecología vegetal
KW  - Ecosistema
KW  - Recursos naturales
KW  - Conservación
ER  -