00285nam a2200097Ia 4500008004100000082002000041100002200061245005000083260004500133300000900178260423b        |||||||| |||| 00| 0 eng d  a331.13bP538.OE  aPhelps, Edmund S.  aOptimal employment and inflation over timeb/  aNew Haven:bYale University Press,c1966  a85p.