00884nam a2200229Ia 4500001000700000003000500007005001700012008004100029010001500070020003400085040001800119043001200137050002000149082002000169245015400189260005200343300002900395504005100424650005900475700003700534710008300571194880BIBL20160527192350.0900612s1990    dcua     b    00100 eng    a 90041566   a0309042348 (hardbound)c17.95  aDLCcDLCdDLC  an-us---00aQA13b.O53 199000a513/.07107322000aOn the shoulders of giantsbnew approaches to numeracycLynn Arthur Steen, editor ; Mathematical Sciences Education Board, National Research Council.0 aWashington, D.C.bNational Academy Pressc1990.  avi, 232 p.bill.c24 cm.  aIncludes bibliographical references and index. 0aMathematicsxStudy and teachingzUnited States.2Local10aSteen, Lynn Arthurd1941-2Local20aNational Research Council U.S..bMathematical Sciences Education Board.2Local