000 00296nam a22000977a 4500
008 150904b xxu||||| |||| 00| 0 eng d
082 _a370.712 2 ENG
100 _aENGELMANN, SIEGFRIED
245 _aPREVENTING FAILURE IN THE PRIMARY GRADES
260 _aCHICAGO
_bSCIENCE RESEARCH ASSOCIATES,INC.
_c1969
999 _c2184
_d2184