00465nam a2200145Ia 4500008004100000010001300041040001700054082002400071100002000095245005700115260004200172300001500214440005600229650003400285190328s9999||||xx |||||||||||||| ||und||  a63-10940  aNITILcNITIL  221sta301.152bK82S  aKonopka, Gisela 0aSocial group workba helping processcGisela Konopka  aEnglewood CliffsbPrentice Hallc1963  axii, 307p.  aPrentice Hall Sociology series/ed by Herbert Blumer  aSocial groups; Social service