4Roger Frost, Jonathan Buck. ISO/IEC DIS 29500 receives necessary votes for approval as an International Standard [B/OL]. (2008-4- 2)[2008-4-5]. http://www.iso.org/iso/pressrelease. htm?refid=Ref1123
2[6]Kindle Berger C P. Standards as Public, Collective and Private Goods [J ].KYKLOS, 1983,(3).
3[7]Samuelson, Paul A .The Pure Theory of Public Expenditure [J ]. Review of Economics and Statistics, 1954, (4).
4[8]David P.A., S. M. Greenstein .The Economics of Compatibility Standards: an introduction to recent research [ J ]. Economics of Innovation and New Technology, 1990, ( 1 ).