000
00257nam a2200109Ia 4500
008
220201s1993 xx 000 0 eng d
100
_a
GAUR (RK)
245
0
_a
BASIC APPLIED PHYSICS
260
_b
DHANPAT RAI & SONS
_c
1993
650
_a
physcis
942
_2
ddc
999
_c
94254
_d
94254