00289nam a2200121Ia 4500082002000000100001700020245005200037260000900089300001400098490000900112490004100121500000500162  a338.901 So689b  aSolow, R. M.  aContribution to the theory of economic growthb  c1956  app. 65-94  v1956  aQuartely Journal of Economics, v.70   a