TY  - BOOK
AU  - Robert Albert Clarke
TI  - Biology by inquiry book 1 : teachers guide
T2  - Book 1
SN  - 0435591703
U1  - 574.07 C599b 
PY  - 1970///-1972
CY  - London
PB  - Heinemann Educational
KW  -  Biology
KW  - Experiments
ER  -