Tyson, J.L., S.J. Dobson, and M.A. Manning. “Effect of a Protectant Copper Application on Psa Infection of Kiwifruit Trap Plants”. New Zealand Plant Protection 70 (July 26, 2017): 310-314. Accessed February 18, 2019. https://journal.nzpps.org/index.php/nzpp/article/view/65.