000			00388nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a511.322 _bZEH-E
100			_aZehna, Peter W
245		0	_aElements of Set Theory
260			_bAllyn & Bacon _aBoston _c1962
300			_a194p
630			_xGeneral Stack
650			_aGENERAL PRINCIPLES OF MATHEMATICS _xMathematics
942			_cBOOK
999			_c24585 _d24585