TY  - BOOK
AU  - Krebs,Charles J..
TI  - Ecology : the experimental analysis of distribution and abundance / 
SN  - 0060437782
U1  - 577 
PY  - 1982///
CY  - New York : 
PB  - Harper and Row , 
KW  - ECOLOGY
N1  - Includes bibliography and index
ER  -