G. Marx

The European "Vitis" Database (www.eu-vitis.de)- a technical innovation through an online uploading and interactive modification system

G. Marx, Steffen Kecke, S. Raimondi, 2012 .

The Vitis International Variety Catalogue (VIVC) New design and more information

E. Maul, D. Maghradze, R. Eibach, 2009 .