7STEFFEN BECKER, MARKO BOSKOVIC , ABHISHEK DHAMA.Trustworthy software systems : a discussion of basic concepts and terminology [ J ] .ACM SIGSOFT Software Engineering Notes,2006,11(31): 1-18.
8Porter M E.The Competitive Advantage of Nations[M].New York:The Free Press,1998.127 -130.
9Anet Weterings,Ron Boschma.How to Explain the Spatial Evolution of New industries?[EB/OL].http://networks.geo.uu.nl/publications/anetweterings-2001-1.pdf.2009-07-29.