000
00254nam a2200109Ia 4500
008
220201s1995 xx 000 0 eng d
100
_a
Kumar, NS etc
245
0
_a
Tb of applied physics
260
_b
Delhi: H Tata Pub
_c
1995
300
_a
8
942
_2
ddc
999
_c
86016
_d
86016