Groenewald, M., S. Denman, and P. Crous. “Fungicide Sensitivity of Phaeomoniella Chlamydospora, the Causal Organism of Petri Grapevine Decline”. South African Journal of Enology and Viticulture, vol. 21, no. 2, May 2017, pp. 59-61, doi:10.21548/21-2-2206.