TY  - BOOK
AU  - Primack,Richard B.
TI  - Essentials of conservation biology / 
SN  - 0878937226
U1  - 333.9511 
PY  - 1993///
CY  - Sunderland : 
PB  - Sinauer Associates , 
KW  - BIOLOGICAL DIVERSITY CONSERVATION
N1  - NULL
ER  -