00575nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002100102100003000123245003600153250001000189260004800199300001900247650003800266650003300304700002000337CHAP20220329140248.0971013s1979            r     00010     d  a49390  a50362  a54512  cCHAP  a330.973bR6 197900aRobertson, Ross Marshall.  aHistory of the american economy  a4 ed.  aNew York :bHacourt Brace Jovanovich,c1979  a586 p.b: ilus14aE.U.A.xCondiciones económicas.14aHistoria económicaxE.U.A.0 aWalton, Gary M.