000			00326nam a2200133Ia 4500
008			130629s9999 xx 000 0 und d
082			_a530 CHA-A
100			_aChauhan,M S;Singh,S P
245			_aAdvanced Practical Physics
260			_bPragati Prakashan _c1974 _aMeerut
300			_a396
650			_aPhysics
942			_cBK
999			_c17278 _d17278