TY  - BOOK
AU  - Simmons, I. G.
TI  -  The ecology of natural resources
SN  - 0713163585
U1  - 333.7  19
PY  - 1981///
CY  - New York
PB  - J. Wiley
KW  - Human ecology
KW  - Natural resources
N1  - Includes bibliographical references and index
ER  -