000
00293nam a2200109Ia 45e0
008
181001s1969 xx 000 0 und d
100
_a
Sharma S.S.
245
0
_a
Adv. Practical physics
260
_a
Agra
_b
Ratan prak.
_c
1969
300
_a
269
942
_2
ddc
_c
BK
999
_c
1682
_d
1682