Walker, J., N. Park, B. Clothier, D. Manktelow, C. Van_Den_Dijssel, A. Hodson, M. Barley, and L. Hodson-Kersey. “Progress in Pesticide Risk Reduction in New Zealand Horticulture”. New Zealand Plant Protection, vol. 62, Aug. 2009, pp. 321-7, doi:10.30843/nzpp.2009.62.4806.