TY  - SER
ED  - San Diego Society of Natural History.
TI  - Environment Southwest
SN  - 0090-5097
AV  - QH104.5.S6 E56
U1  - 500.9/79 
CY  - [San Diego, Calif.
PB  - San Diego Society of Natural History]
KW  - Ecology
KW  - Southwest, New
KW  - Periodicals
KW  - Natural history
ER  -