000
00334nam a2200145Ia 4500
008
230118s9999||||xx |||||||||||||| ||und||
082
_a
535
082
_b
MAT/P
100
_a
b.k
_b
mathur
100
_b
d.a.v collegekanpur
245
0
_a
principles of optics
260
_a
kanpur
260
_b
new gopal printing press
260
_c
1962
999
_c
6194
_d
6194