003420000a22001210004500060000800000082001500008100002600023245004500049260004300094260000900137300000800146650006600154  a100  a303.34 UTT  aUtter back, William E  aGroup thinking and conference leadership  aNewyork, Holt Rinehart and Winston Inc  c1964  a239  aTechniques of discussion/ Group thinking/ Business conference