TY  - BOOK
AU  - Eerenfeld,David W., x
AU  - x
TI  - Biological consergation: x
SN  - x
U1  - 574/EHB 
PY  - 1970///
CY  - N.Y.
PB  - Holt, Rinehart
KW  - Biology
KW  - Bology
N1  - x
ER  -