000			00359nam a2200145Ia 4500
008			240201s1982 xx 000 0 eng d
020			_a9 780486244013
082			_a510 SAW
100			_aSAWYER W.W.
245		0	_aPRELUDE TO MATHEMATICS
260			_bDOVER PUBLICATIONS, Inc., New York _c1982
300			_a218
650			_aMATHEMATICS
942			_2ddc _cBK
999			_c19137 _d19137