000			00494nam a2200157Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
082			_a371.26 _bRb-70-72
100			_aCotton J W
245			_aMethematical analysis of a multiple look concept indentification model
260			_aNew Jersey _bETS _c1970
440			_aEducational Testing Service. Princeton : Research bulletin; 72
650			_aEducational tests and measurements
942			_cBK
999			_c92947 _d92947