000			00351nam a2200169Ia 4500
008			210628s9999 xx 000 0 und d
082			_a530
082			_bYAM-P
100			_aYamin
245		0	_aObj Physics -I
260			_aLahore
260			_bScholar Publications
260			_c2019
300			_a508
300			_bpbk
546			_aEng.
650			_aPhysics i
999			_c26178 _d26178