000 00519nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-68-57
100 _aKristof Walter
245 _aEstimation of true score and error variance for tests under various equivalence assumptions
260 _aNew Jersey
_bETS
_c1968
440 _aEducational Testing Service. Princeton : Research bulletin; 57
650 _aEducational tests and measurements
942 _cBK
999 _c92445
_d92445