00618nam a2200181Ia 450000100060000000300050000600500170001100800410002801000170006903500200008604000190010610000340012524501210015926000400028030000270032065000400034770000490038786896BIBL20160527204035.0751222s1952    iaua          000 0 eng    aa  53008483   a(OCoLC)01901201  aDLCcFQGdm.c.10aLorbeer, George C.wdn2Local10aScience activities for elementary childrenc[by] Leslie W. Nelson and George C. Lorbeer. Drawings by Harry Horowitz.0 aDubuque, IowabW. C. Brownc[c1952]  a153 p.billus.c28 cm. 0aSciencexStudy and teaching.2Local10aLorbeer, George C.ejoint author.wcn2Local