000			00567nam a2200169Ia 4500
008			131223s9999 xx 000 0 und d
040			_aISI KOLKATA
041			_aEnglish
082			_a371.26 _bRb-72-2
100			_aAngoff W H
245			_aPatterns of test and item difficulty for six foreign language groups on the test of english as a foreign language
260			_aNew Jersey _bETS _c1971
440			_aEducational Testing Service. Princeton : Research bulletin;
650			_aEducational tests and measurements
700			_aSharon A T _4Auth.
942			_cBK
999			_c81506 _d81506