00281nam a2200109Ia 4500082001800000100003900018245003600057260002800093300001300121500000500134700003200139  a338.9bK19.PM  aKaser, Michael and Portes, Richard  aPlanning and market relationsb  aLondonbMacmillanc1971  ax, 261p.  a  aPortes, Richard ; jt. auth.