6CLIVE J.Global status of transgenic crops in 1997 [EB/OL]. http ://www.isaaa. org/resources/publications/briefs/05/down- load/isaaa-brief-05-1997.pdf, 2011-03-11.
7CLIVE J, KRATYlGER A F. Global review of the Field Testing and commercialization of transgenic Plants, 1986 to 1995: The First Decade of crops Biotechnology [EB/OL]. http://www, isaaa, org / resources / publications/briefs/01/ download/isaaa-brief-01-1996.pdf, 2011-03-11.
8CLIVE J. Global status of commercialized biotech/GM crops: 2010 [EB/OL]. http://www.isaaa, org/resources/publications/ briefs/42/executivesummary/defauh.asp, 2011-03-11.
9CLIVE J. Global status of commercialized biotech/GM crops: 2009 [EB/OL]. http://www.isaaa, org/resources/publications/ briefs/41/executivesummary/defauh.asp, 2011-03-11.
10CLIVE J. Global status of commercialized biotech/GM crops: 2008 [EB/OL]. http://www.isaaa, org/resources/publications/ briefs/39/download/isaaa-brief-39-2008.pdf, 2011-03-11.