AU  - Arora,C.L..
TI  - B.Sc. Practical Physics / 
SN  - 81 219 0909 0
U1  - 530.8 
PY  - 2001///
CY  - N.delhi
PB  - S.Chand & company Ltd , 
KW  - Physics
N1  - NULL
ER  -