000
00294nam a2200121Ia 4500
008
220201s1957 xx 000 0 eng d
082
_a
530
_b
MAT
100
_a
Mathur, RS & Srivastva GN
245
0
_a
Survey of practical physics
260
_b
S Chand & co
_c
1957
300
_a
220
942
_2
ddc
999
_c
71418
_d
71418