00486nam a2200133Ia 4500008004100000040001700041082002300058100002100081245004100102260004300143300001700186440008400203650006500287190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta301.44bK64S  aKlein, Josephine 4aThe Study of groupscJosephine Klein  aLondonbRoutledge and Kegan Paulc1956  aix, 200,15p.  aInternational library of sociology and social reconstruction/ed by W J H Sprott  aSocial groups; Group thoery; Group Technology; Social change