000			00368nam a2200145Ia 4500
008			220314s9999||||xx |||||||||||||| ||und||
080			_a510
100			_aAllendoerfer, Carl B; Oakley, Cletus O
245		0	_aPrinciples of mathematics
250			_a2
260			_bMcGraw-Hill book Co, Inc, NewYork _c1955
300			_a540
650			_aMathematics
942			_cBOOK
999			_c15410 _d15410