Scheper, R., M. Walter, B. Fisher, S. Johnston, T. Curnow, N. Amponsah, P. Alspach, and D. Hedderley. ‚ÄúResistance of Apple and Pear Rootstocks to <i>Neonectria Ditissima</i&gt; And Their Effect on Scion Susceptibility‚ÄĚ. New Zealand Plant Protection, Vol. 70, July 2017, p. 324, doi:10.30843/nzpp.2017.70.92.