000
00335nam a2200145Ia 4500
100
_a
Harihar lal and others
942
_c
BK
654
_a
Physics
245
_a
Applied physics : waves optics etc
260
_b
Tata Mc Graw hill pub co
_a
New Delhi
_c
1990
082
_a
530
_b
HAR
300
_a
346
546
_a
ENGLISH
999
_c
34432
_d
34432