000 004200000a22001450004500
060 _a100
082 _a302.3 WIL
100 _aWilson, Stephen
245 _aInformal groups: An introduction
260 _aNew Jersey, Prentice- Hall of India Pvt Ltd
260 _c1978
300 _a305
650 _aInformal groups/ Bales- Homans/ Informal groups- Standardization/ Informal groups- Differentiation
942 _cBK
999 _c349528
_d349528