00780nam a2200253Ia 4500 261465 BIBL 20160527192516.0 880613s1989 ohua b 00110 eng 88061659 0675209730 DLC DLC DLC EVLG ev LB1585 .C27 1970 372.3/5044 20 372.35 C277t Carin, Arthur A. Local 69361 Teaching modern science Arthur A. Carin, Robert B. Sund. Columbus Merrill Pub. Co. c1970, c1964 ix, 273 p. ill. 24 cm. Includes bibliographical references and index. Science Study and teaching (Elementary) Local 166868 Sund, Robert B. Local 175907 188212 188212 0 0 ddc 0 372_350000000000000_C277T 0 evl 178627 10 10 1 2016-05-27 367578 0 372.35 C277t 80000002125014 2016-05-27 00:00:00 r:261465 6