000 00341nam a2200133Ia 4500
001 14572
008 170722s9999 xx 000 0 und d
100 _aChapin, F. Stuart
245 _aExperimental designs in sociological research rev ed /
653 _aMathematics
653 _aOperations Research
653 _aSociology
942 _cGEN
999 _c50916
_d50916