TY  - BOOK
AU  - W Belfield
AU  -  Michael Dearden
TI  - A practical course in biology
T2  - Commonwealth and international library., Biology division
SN  - 080161057
U1  - 574 B428p 
PY  - 1971///]
CY  - Oxford, New York, 
PB  - Pergamon Press
KW  -  Biology
KW  - Experiments
ER  -