000 00279nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aElementary School Journal
260 _aUniversity of Chicago Press
_bChicago
_c1 Jan-30 Jun,1990
362 _a90-90
_b03-May
942 _2ddc
_cJ
999 _c189982
_d189982