00340nam a2200097Ia 450000500170000008000190001710000180003624501390005426000300019358300190022320260716043545.0  a03.02.03 G2115  aRanis, Gustav  aThe gap between rich and poor nations : proceedings of a conference held by the International Economic Association at Bled, Yugoslavia  bMacmillanaLondonGBc1972  c12/13/04kJOYD