http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the international symposium on agronomy and physiology of potato 20-24 September 2010 Nevşehir
Mustafa Kemal Üniversitesi Ziraat Fakültesi Tarla Bitkileri Bölümü
Writers: Edit. Mehmet Emin Çalışkan, Funda Arslanoğlu.
General Directorate of Agricultural Research
European Association for Potato Research