000			00353nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a706990048
041			_aen
082			_a530.41
100			_aGUPTA H.C.
245		0	_aSoild state physics
260			_aNew Delhi _bVikas Publishing House Pvt Lt _cd 1997
300			_a404p
942			_cPR
999			_c53801 _d53801