TY  - BOOK
AU  - Christiansen, F.B..
TI  - Theories of Populations in biological communities / 
SN  - 0-387-08010-4
U1  - G:6obY:52 
PY  - 1973///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Life Science <Populations>
ER  -