00297nam a2200109Ia 4500008004100000040001700041082002500058110002700083245003300110260002800143300001600171190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta330.942bR888S  aRoyal Economic Society 0aSurveys of applied economics  aLondonbMacmillanc1977  aV.2 (282p.)