TY  - BOOK
AU  - Raven,Peter H.
ED  - Johnson,George B.
TI  - Understanding Biology
SN  - 9780801625244
U1  - 574 
PY  - 1991///
CY  - London
PB  - Mosby Year Book
KW  - Biology b
N1  - Appendix &Index included+ ill
ER  -