01006cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040007700111042001200188050001600200110006800216245012900284260015200413300003400565500001600599504002800615650003300643700003300676700002600709999001700735hew63000140 DLC20260227111512.0781103s1963 dcua f000 0 eng c ahew63000140  a(OCoLC)4345964 aU. S. Dept. of Health, Education, and Welfare. LibrarycGAuAdOCoLCdDLC apremarc00aQ181b.U5641 aUnited States.bOffice of Education.bDivision of State Grants.10aModern science and your child,cby William J. Gruver and Albert Piltz, specialists, science, Instructional Resources Branch. a[Washington,bU.S. Dept. of Health, Education, and Welfare, Office of Education; for sale by the Supt. of Documents, U.S. Govt. Print. Off.,c1963] av, 40 p.billus.c15 x 24 cm. a"OE-29048." aBibliography: p. 39-40. 0aSciencexStudy and teaching.1 aGruver, William John,d1914-1 aPiltz, Albert,d1915- c34450d34450