1. ANSI, Accredited Standards Committee X12 (http://www.x12.org).
2. Electronic data interchange: characteristics of users and nonusers;Banerjee;Information & Management,1994
3. Beyond computation: information technology, organizational transformation and business performance;Brynjolfsson;Journal of Economic Perspectives,2000
4. Clio and the economics of QWERTY;David;American Economic Review,1985
5. e-Business W@tch, The European E-business Report 2004 Edition: A Portrait of E-business in 10 Sectors of the EU Economy (http://www.ebusiness-watch.org).