TY  - BOOK
AU  - Robert Albert Clarke
TI  - Biology by inquiry : a course in experimental biology for secondary schools. Book 1
T2  - Book 1
SN  - 043559169x
U1  - 574.07 C599b 
PY  - 1968///
CY  - London
PB  - Heinemann Educational
KW  -  Biology
KW  - Experiments
ER  -