000			00314nam a2200133Ia 4500
008			130629s9999 xx 000 0 und d
082			_a530 SIN-A
100			_aSingh,S P
245			_aAdvanced Practical Physics
260			_bPragati Prakashan _c1987 _aMeerut
300			_a484
650			_aPhysics
942			_cBK
999			_c22509 _d22509