000
00273nam a2200121Ia 4500
008
220201s1984 xx 000 0 eng d
100
_a
GAUR R K
245
0
_a
APPLIED PHYSICS
250
_a
2
260
_a
DELHI
_b
DHANPAT RAI AND SONS
_c
1984
300
_a
451
942
_2
ddc
999
_c
90624
_d
90624