000
00253nam a2200109Ia 4500
008
220201s2009 xx 000 0 eng d
100
_a
UPADHYAY, A.K.
245
0
_a
APPLIED PHYSICS
260
_a
DELHI
_b
S.K. KATARIA
_c
2009
300
_a
416
942
_2
ddc
999
_c
69090
_d
69090