TY  - BOOK
AU  - Chattopadhyay,Deepanwita
AU  - Vas, Gratian
AU  - E. S.
TI  - Experiments in science: Volume 1
SN  - 81-7181-470-0
U1  - 500 
PY  - 1999///
CY  - New Delhi
PB  - Learners Press
ER  -