000			00326nam a2200121 4500
008			0 1970 0 000 0Mex
020			_a0-07-004347-7
050			_aQC6 B423
100			_aBeiser, Arthur
245			_aConceptos de Fisica Moderna / Arthur,Beiser
260			_aMexico : McGraw-Hill
300			_a410p. / 23cm
999			_c21400 _d21400