TY  - BOOK
AU  - Kucera, Clair L.
TI  - Challenge of Ecology
SN  - 0801628024
U1  - 574.5 
PY  - 1978///
CY  - Saint Louis
PB  - C. V. Mosby Co.
KW  - Life sciences
KW  - Pure Sciences
KW  - Ecology
ER  -