000 00544nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-62-20
100 _aKristof Walter
245 _aStatistical theory of stepped-up reliability coefficients when a test has been divided into several equivalent parts
260 _aNew Jersey
_bETS
_c1962
440 _aEducational Testing Service. Princeton : Research bulletin; 20
650 _aEducational tests and measurements
942 _cBK
999 _c88637
_d88637