000
00308nam a2200121Ia 4500
008
190719s9999 xx 000 0 und d
082
_a
531.32 S941
100
_a
SUBRAHMANYAM.N
245
0
_a
WAVES AND OSCILLATIONS
260
_a
NEW DELHI
_b
Vikas publishing House
_c
1977
300
_a
22X14
942
_c
BK
_2
DDC
999
_c
47732
_d
47732