00506nam a2200193Ia 450000100060000000300050000600500170001100800410002801000150006903500200008404000130010405000170011708200080013410000360014224500430017826000360022130000210025765000340027885695BIBL20160527203815.0730628s1959    mau           000 0 eng u  a 59012452   a(OCoLC)00647609  cCSUdm/c  aLB1555b.B42  a37210aBeauchamp, George A.wcn2Local10aBasic dimensions of elementary method.0 aBostonbAllyn and Baconc[1959]  aix,347p.billus. 0aEducation , Elementary2Local