00916nam a2200265 4500 1253402 OSt 20240527120054.0 700520s1970 maua b 001 0 eng 73087044 DLC DLC DLC LB1584 .Se4 372.3/5 Selberg, Edith Marie. 43283 Discovering science in the elementary school [by] Edith M. Selberg, Louise A. Neal [and] Matthew F. Vessel. Reading, Mass., Addison-Wesley Pub. Co. [1970] xxix, 495 p. illus. 24 cm. Addison-Wesley series in education Bibliography: p. 469-486. Science Study and teaching (Elementary) 25147 Neal, Louise A., joint author. 43284 Vessel, Matthew F., joint author. 43285 7 cbc orignew u ncip 19 y-gencatlg lcc BK 50598 50598