00485nam a2200169Ia 4500082002400000100001900024245006400043260003600107300001000143500000500153690000600158700000500164952010500169964001700274921000900291999001500300  a338.540973bT587.BC  aTinbergen, Jan  aBusiness cycles in the United States of America 1919-1932b  aGenevabLeague of Nationsc1939  a244p.  a  a   a  00104070aISIbISId1998-08-21l0o338.540973 T587.BCpDP2661r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a5408  c5408d5408