Cheah, L.-H., A. Marsh, D. Hedderley, and R. Falloon. “Crop Rotation With Brassicas Reduces <i>Phytophthora</i> Populations in Potato Soil”. New Zealand Plant Protection, vol. 61, Aug. 2008, pp. 256-60, doi:10.30843/nzpp.2008.61.6803.