Goszczynski, D.E., G.G.F. Kasdorf, G. Pietersen, and H. van Tonder. 2017. “Grapevine Leafroll-Associated Virus 2 (GLRaV-2)- Mechanical Transmission, Purification, Production and Properties of Antisera, Detection by ELISA”. South African Journal of Enology and Viticulture 17 (1):15-26. https://doi.org/10.21548/17-1-2253.