TY  - BOOK
AU  - Calhoun, John B..
TI  - Environment and population: Problems of Adaptation / 
SN  - 0-03-063337-0
U1  - G:55(Y) 
PY  - 1997///
CY  - New York, NY 10175 : 
PB  - Praeger publishers , 
KW  - Life Science<Population>
ER  -