TY  - BOOK
AU  - Ehrlich,Anne H.
AU  - Ehrlich,Paul R.
TI  - Earth
SN  - 0531150364 :
AV  - GF37 .E38 1987
U1  - 304.2 19
PY  - 1987///
CY  - New York
PB  - Franklin Watts
KW  - Human ecology
KW  - Man
KW  - Influence on nature
N1  - Includes index; Bibliography: p. [253]-254
ER  -