00500nam a22001693  45000010006000000050017000060080041000230350024000640400017000880200018001050200015001230350021001382450116001592600027002753000012003027200016003147978220230411090033.0091010s2009    xx            000 0 spa d  a(OCoLC)ocn456173000  aBTCTAcBTCTA  a9788493696115  a8493696110  a(OCoLC)45617300000aPor que el mundo esta a punto de hacerse mucho mas pequeno/ Why your World is About to Get a Whole Lot Smaller.  bEdiciones Uranoc2009.  ap.ccm.  aRubin, Jeff