TY  - BOOK
AU  - Watson,R.T.
ED  - United Nations Environmental Programme.
TI  - Global biodiversity assessment : : summary for policy-makers/ 
SN  - 0521564808
U1  - P 333.95 W38 
PY  - 1995///
CY  - London : 
PB  - Cambridge University Press, 
KW  - Biological diversity
ER  -