00391nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400220010824500450013026000470017530000090022265000140023120250508161654.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a301.34, DAVqFEDL 0aExploring groups and communities. Unit 1  aNew York, USAbAmerican Book Companyc1971  a32p.  aSociology