000 00265nam a22001217a 4500
082 _a371.3 POW
100 _aPOWELL L.S.
245 _aLARGE GROUPS
260 _aLONDON
_bBRITSH
_c1965
300 _a11P.
_b20CM.
650 _aLECTURING TO LARGE GROUPS
942 _cBK
999 _c13720
_d13720