TY  - BOOK
TI  - Directory of contacts, environmental data bases, and scientific infrastructure on 175 biosphere reserves in 32 countries
U1  - 574.5 
PY  - 1991///-1993
CY  - Paris
PB  - International Cooperation of the Man and the Biosphere (MAB) Programs of Europe and North America
KW  - Medio ambiente
KW  - Sociedades
ER  -