00499nam a2200133Ia 4500008004100000082001700041100005800058245003500116260005100151300001500202942001200217952012100229999001500350260218b        |||||||| |||| 00| 0 eng d  a331bN277.AL  aNational Bureau of Economic Research, New York914605  aAspects of labour economicsb/  aNew Jersey:bPrinceton University Press,c1962  axii, 349p.  2ddccBK  0010406331_000000000000000_N277_AL7094806aISIbISId1998-07-28l0o331 N277.ALpDP2413r2019-02-14 00:00:00yBK  c4049d4049