000 00293nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a301
_bFRA
100 _aFrankfurt Institute for Social Research
245 _aAspects of sociology
260 _bHeinemann Educational Books
_aLondon
_c1956
999 _c136391
_d136391