000 00273pam a2200121a 44500
082 _a372.3
_bG273s
100 _aGega, Peter C.
245 1 _aSCIENCE IN ELEMENTARY EDUCATION
260 _aN. Y.
_bJohn Wiley
_c1966
300 _a451
964 _gCIRC
997 _a38689 C
999 _c423873
_d423873