TY  - BOOK
AU  - Chattopadhyay, Deepanwinta
AU  - Gratian, Vas
TI  - Experiment with space
SN  - 1-84557-235-1
AV  - 629.1 C39s 
PY  - 2005///
CY  - New Delhi
PB  - Sterling Pub.
ER  -