Jezic, Marin, Jasminka Karoglan Kontic, Darko Preiner, Edi Maletic, and Mirna Curkovic-Perica. 2013. “Grapevine Yellows Affecting Croatian Autochthonous Grapevine Cultivar ’Grk’”. Acta Botanica Croatica 72 (2). https://www.abc.botanic.hr/index.php/abc/article/view/796.