TY  - BOOK
AU  - Wolf,Edward C.
TI  - On the brink of extinction: conserving the diversity of life 
SN  - 0916468798
PY  - 1987///
CY  - Washington, D.C.
PB  - Worldwatch Institute
KW  - Biological diversity conservation
N1  - Bibliography: p.45-53
ER  -