TY  - BOOK
AU  - Turk,Jonathan
TI  - Ecosystems, energy, population
SN  - 0721689302 (pbk.)
PY  - 1975///
CY  - Philadelphia
PB  - Saunders
KW  - Ecology
KW  - Human ecology
KW  - Ecolog�ia humana
N1  - Includes index; Includes bibliographical references
ER  -