00459nam a2200157Ia 4500001001100000005001700011008004100028050001500069090001600084245003200100260003700132300002800169504004200197650004700239999001500286000000626420251012174450.0  710414s1971    nyua     b    001 0 eng00aHD82b.H2500a339.5/01/8410aModels of economic growth.   aNew York,bHarper & Rowc[1971]   ax, 246 pbillusc25 cm.  aIncludes bibliographical references.  0aEconomic developmentxMathematical models.  c4073d4073