000 00531nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-71-35
100 _aKirk D B
245 _aTechnique for approximating the bivariate normal correlation coefficient roe and estimating tetrachoric gamma
260 _aNew Jersey
_bETS
_c1971
440 _aEducational Testing Service. Princeton : Research bulletin; 35
650 _aEducational tests and measurements
942 _cBK
999 _c93036
_d93036