000 00466nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-71-23
100 _aPennell Roger
245 _aFactor covariance analysis in subgroups
260 _aNew Jersey
_bETS
_c1971
440 _aEducational Testing Service. Princeton : Research bulletin; 23
650 _aEducational tests and measurements
942 _cBK
999 _c93053
_d93053