TY  - BOOK
AU  - Rickefs ,Robert E
TI  - The Economy of Nature: a textbook in basic ecology
SN  - 071672409X
U1  - 333.7 RIC 
PY  - 1993///
CY  - New York
PB  - W. H. Freeman
KW  - Social Sciences
N1  - Includes Index
ER  -