TY  - BOOK
AU  - Bhardwaj,Bhardwaj
TI  - Encyclopaedia of astronomy and space science 
SN  - 81-261-2885-2
U1  - 520.03 
PY  - 2006///
CY  - New Delhi
PB  - Anmol
KW  - Astronomy
KW  - Space science
N1  - Includes index
ER  -