000 00504nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-72-41
100 _aOlkin Ingram
245 _aTesting and estimation for structures which are circularly symmetric in blocks
260 _aNew Jersey
_bETS
_c1972
440 _aEducational Testing Service. Princeton : Research bulletin; 41
650 _aEducational tests and measurements
942 _cBK
999 _c81916
_d81916