Orchard, Suzanne, Rebecca E. Campbell, Lauren Turner, Ruth C. Butler, Tahlia Curnow, Emma Patrick, and Monika Walter. “Long-Term Deep-Freeze Storage of Neonectria Ditissima Conidium Suspensions Does Not Reduce Their Ability to Infect Apple Trees”. New Zealand Plant Protection 710 (July 29, 2018): 158-165. Accessed September 23, 2019. https://journal.nzpps.org/index.php/nzpp/article/view/129.