TY  - BOOK
AU  - Ehrlich, Paul R
AU  - Roughgarden, Jonathan.
TI  - The Science of ecology
SN  - 0023317000
AV  - QH541 .E353 1987
PY  - 1987///
CY  - New York
PB  - Macmillan Publishing
KW  - Ecology
N1  - Includes  bibliographical references and index
ER  -