TY  - BOOK
AU  - Holdgate,Martin
TI  - The green web: A union for world conservation 
SN  - 1853835951
U1  - 333.7206 23
PY  - 1999///
CY  - London
PB  - Internacional Union for Conservation of Nature and Natural Resources
KW  - Conservation
KW  - ConservaciÃ³n
ER  -