Hardwick, S., D. Wilson, and B. Wiloughby. “The Effect of Foliar Fertilisers on Clover Flea (Sminthurus Viridis (L) (Collembola Sminthuridae)) Survival”. New Zealand Plant Protection, vol. 60, Aug. 2007, pp. 316-, doi:10.30843/nzpp.2007.60.4659.