000 00481nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-73-6
100 _aEchternacht Gary
245 2 _aA comparison of various item option weighting schemes
260 _aNew Jersey
_bETS
_c1973
440 _aEducational Testing Service. Princeton : Research bulletin; 6
650 _aEducational tests and measurements
942 _cBK
999 _c79333
_d79333