TY  - BOOK
AU  - Ricklefs,Robert E.
TI  - The economy of nature: a textbook in basic ecology 
SN  - 0913462098(hbk.)
PY  - 1983///
CY  - New York
PB  - Chiron Press
KW  - Ecology
N1  - Includes index; Includes bibliographical references
ER  -