000			00331nam a2200145Ia 4500
008			210901s1955 xx 000 0 eng d
082			_a530.028 WHI
100			_aWhite.W.Marsh
245		0	_aPractical physics
250			_a2nd
260			_aNew York _bMc Graw Hill _c1955
300			_a484
650			_aPhysics
942			_2ddc _cBK
999			_c1713 _d1713