TY  - BOOK
AU  - Pringle, Laurence
TI  - Ecology: science of survival
U1  - 577 21st ed.
PY  - 1971///
CY  - New York
PB  - The Macmillan Company
KW  - Biogeochemical cycles
KW  - Ecology
KW  - Life cycle
KW  - Population
ER  -