000			00318nam a2200133Ia 4500
008			200303s2018 xx 000 0 und d
082			_a530
100			_aKshrisagar S.K.
245			_aPhysics
250			_afourth
260			_bNirali prakashan 41,budhwar Peth,pune _c2018
300			_a266
650			_aPhysics
999			_c244038 _d244038