00637nam a2200205Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085050001600100082001200116245008900128260005000217300003100267350000900298504004100307650005200348700003100400148117BIBL20160527195331.0700428s1970    njua     b    00100 eng    a 72098453   a01320421420 aLB1585b.D4  a372.3/500aDeveloping children's thinking through sciencec[by] Ronald D. Anderson [and others]0 aEnglewood Cliffs, N.J.bPrentice-Hallc[1970]  axi, 370 p.billus.c24 cm.  a9.95  aIncludes bibliographical references. 0aSciencexStudy and teaching (Elementary)2Local10aAnderson, Ronald D.2Local