00503nam a2200133Ia 4500082002000000100008300020240003900103245014400142260002800286300001700314500000500331653000600336700002700342  a304.62bC748.EF  aConference on "Economic factors in population growth", Valescure, France, 1973  aInternational Economic Association  aEconomic factors in population growth; proceedings of a conference held by the International Economic AssociationbcEd. by Ansley J. Coale  aLondonbMacmillanc1976  axviii, 600p.  a  a   aCoale, Ansley J. ; ed.