000			00288nam a22001217a 4500
082			_a370 _bSOC.S
245			_aSociometry journal of research in social psychology /
260			_c1963.
500			_aVol 26 Vol 27
505			_aVol 26 Vol 27
650			_aEducation
942			_2ddc _cBK
999			_c724819 _d724819