000			00273nam a2200121Ia 4500
100			_aMac Graw- Hill book co.
942			_cBK
245			_aVol.IV-dac-ens
260			_aNew York _bMac Graw hill book co. _c1960
082			_a503 _bMac
300			_a7,616
546			_aEnglish
999			_c331385 _d331385
041			_aeng