TY  - BOOK
AU  - Smith, Robert Leo
AU  - Smith, Thomas M.
TI  - Element of ecology
SN  - 0-321-04527-0
U1  - BCir. 577 Fourth edition
PY  - 1998///
CY  - --Sand Hill Road
PB  - The Benjamin/Cummings Publishing Company, Inc.
N1  - Includes references, glossary and index; Part I. What is ecology?  --II. Conditions for life  --III. Populations  --IV. Communities  --V. Ecosystems  --VI. A guide to ecosystems
ER  -