TY  - BOOK
AU  - Avita,Vernou L.
TI  - Biology: inverstigating life on earth 
SN  - 0867209429 :
U1  - 574 
PY  - 1995///
CY  - Boston, Mass
PB  - Jones and Bartlett Publishers.
KW  - Biology
N1  - Bibliography & index
ER  -