00506cam a22001812  4500001001100000005001700011008004100028020001700069040001500086100003500101245005700136250001300193260003400206300001700240650002700257700003700284852000300321000002443820151021151153.0131030s         xx           000 0 eng d  a0072872055 :  aKABUcKABU1 aSamuelson, Paul A.@000014828010aEconomics /cPaul A. Samuelson, William D. Nordhaus.  a18th ed.  aBoston :bMcGraw-Hill,c2005.  axxii, 776 p. 0aEconomics.@00001482791 aNordhaus, William D.@00001482811