00324nam a2200109 a 450000500170000008200230001710000190004024500550005926000340011430000230014849000430017120251203090501.0  a338.4737,bDD, rit  aRitzen, J.M.M.  aEducation, economic growth and income distribution  aNew YorkbNorth-Hollandc1977  axvii, 271p, 22 CM.  aContribution to economic analysisd112