00435nam a2200169Ia 4500082002000000100001800020245003200038260002800070300000900098500000500107690000600112700000500118952010100123964001700224921000900241999001500250  a338.901bK92.TE  aKregol, J. A.  aTheory of economic growthb  aLondonbMacmillanc1972  a96p.  a  a   a  00104070aISIbISId1998-08-25l0o338.901 K92.TEpDP6719r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a6042  c6042d6042