00318nam a2200097Ia 4500008004100000082002100041100002200062245008400084260003700168300001500205260423b        |||||||| |||| 00| 0 eng d  a338.901bP538.GR  aPhelps, Edmund S.  aGolden rules of economic growth; studies of efficient and optimal investmentb/  aAmsterdam:bNorth-Holland,c1967  axvi, 189p.