00577nam a2200145Ia 4500008004100000010001400041020001600055040001700071082002300088100002400111245015200135260002800287300001600315650010000331190328s9999||||xx |||||||||||||| ||und||  a75-185041  a333-13193-2  aNITILcNITIL  221sta338.9bR197G  aRanis, Gustav (Ed.) 4aThe gap between rich and poor nationsbproceedings of a conference held by the International Economic Assoication at Bled, YugoslaviacGustav Ranis  aLondonbMacmillanc1972  axxii, 439p.  aInternational economic relations; Comparative economics; Brian drain; Technological innovations