000			00334nam a2200133Ia 4500
008			210901s1954 xx 000 0 eng d
082			_a530 BAL
100			_aBallard, Stanley S.
245		0	_aPhysics principles
260			_aNew Delhi _bVan Nostrand Reinhold Company _c1954
300			_a755
650			_aPhysics
942			_2ddc _cBK
999			_c10574 _d10574