TY  - BOOK
AU  - Chattopadhyay D
AU  - Chowdhary, Neena
AU  - Chattopadhyay, Deepanwita
AU  - Chattopadhyay,Deepanwita
AU  - Vas, Gratian
TI  - Experiments in Science vol 2 # Experiments in science: Volume 2
SN  - 81-7181-471-9
PY  - 1999///
CY  - New Delhi
PB  - Learners Press
ER  -