TY  - BOOK
AU  - Krebs,Charles J.
TI  - The messsage of ecology
SN  - 0060437731
AV  - QH541 K67 1988
PY  - 1988///
CY  - New York
PB  - Harpper & Row
KW  - Ecology
N1  - Includes bibliographical references and index
ER  -