3[1]Julian M.Alston,Raymond J.Yenner,The effects of the US Plant Variety Protection Act on wheat genetic improvement,Research Policy 31(2002)527-542,www.elsevier.com/locate/econbase 被引量：1
4[2]Gokhan Ozertan,Intellectual Property Rights Protection of Reproduclble Biotechnology Innovation,dissertation of Bogazici University? Istanbul Turkey,December 2001 被引量：1
8Julian M.Alston,Raymond J.Venner. The effects of the US.Plant-Variety Protection Acton wheat genetic improvement[J].{H}Research Policy,2002.527-542. 被引量：1
9Gokhan Ozertan. Intellectual Property Rights Protection of. Re-producible Biotechnology Innovation[M].Bogazici Universi-ty Istanbul Turkey,2001. 被引量：1
