TY  - BOOK
AU  - Ehrlich,Paul R.
TI  - The machinery of nature
SN  - 0671492888
AV  - QH541 .E35 1986
U1  - 574.5 19
PY  - 1986///
CY  - New York
PB  - Simon and Schuster
KW  - Ecology
N1  - Includes index; Bibliography: p. 299-301
ER  -