000			00280nam a22001217a 4500
008			180205b xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a338
100			_a54
101			_aMEN
245			_aProblem finding and problem solving _cSchoennauer,A.W
942			_2udc _cBK
999			_c41733 _d41733