000			003430000a22001450004500
245			_aThe profession and elementary problem and analysis
100			_aLeach, H.W.
100			_aBeakley, G.C.
250			_a2d ed.
260			_aNew York _bMacMillan _c1960
300			_a394 p., ill.
080			_a62 _bL4
041			_aEN
942			_cBK
999			_c52357 _d52357