TY  - BOOK
AU  - Sasidharan, G.K.  .
TI  - Great universe / 
SN  - 81-219-3033-2
U1  - B9:6 
PY  - 2008///
CY  - New Delhi : 
PB  - S.Chand & Company Ltd , 
KW  - Mathematics- Astronomy
ER  -