TY  - BOOK
AU  - Gulland, Milner, E J; Rowcliffe, Marcus J
TI  - conservation and sustainable use: A handbook of techniques
T2  - Techniques in ecology and conservation series
U1  - 577  GUL-C 
PY  - 2007///
CY  - Oxford university press, Oxford
KW  - Ecology-- Biodiversity-- Conservation
ER  -