00705nam a2200205Ia 450000100060000000300050000600500170001100800410002801000150006905000160008408200120010010000290011224501030014126000480024430000270029249000410031950400300036065000520039070000570044240457BIBL20160527200323.0700914s1968    caua     b    00010 eng    a 68018372 0 aLB1585b.H8  a372.3/510aHurd, Paul DeHart2Local10aNew directions in elementary science teachingc[by] Paul DeHart Hurd [and] James Joseph Gallagher.0 aBelmont, Calif.bWadsworth Pub. Co.c[1968]  a166 p.billus.c22 cm.0 aWadsworth guides to science teaching  aBibliography: p. 135-145. 0aSciencexStudy and teaching (Elementary)2Local10aGallagher, James Josephd1932-ejoint author.2Local