TY  - BOOK
AU  - CLAIR L KUCERA
TI  - THE CHALLENGE OF ECOLOGY
SN  - 0801628024
U1  - GN574.5K952C 
PY  - 1978///
PB  - THE C.V. MOSBY COMPANY
KW  - THE CHALLENGE OF ECOLOGY
N1  - SAINT LOUIS
ER  -