000 00510nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-73-51
100 _aCarroll J B
245 _aFitting a model of school learning to aptitude and achievement data over grade levels
260 _aNew Jersey
_bETS
_c1973
440 _aEducational Testing Service. Princeton : Research bulletin; 51
650 _aEducational tests and measurements
942 _cBK
999 _c79807
_d79807