TY  - BOOK
AU  - Ricklefs,Robert E.
TI  - The economy of nature: a textbook in basic ecology 
SN  - 071672815X
AV  - QH 541 .R54 1997
U1  - 574.5 20
PY  - 1997///
CY  - New York
PB  - W.H. Freeman
KW  - Ecology
N1  - Includes bibliographical references and index
ER  -