000 00494nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-64-51
100 _aBeaton A E
245 _aSummary of the use of special matrix operators in statistical calculus
260 _aNew Jersey
_bETS
_c1964
440 _aEducational Testing Service. Princeton : Research bulletin; 51
650 _aEducational tests and measurements
942 _cBK
999 _c93936
_d93936