Girgan, C., A. Swart, M. Marais, and H. Fourie. “Aphelenchoides Spp. (Nematoda: Aphelenchida) and Panagrolaimus leperisini (Nematoda: Rhabditida) Found Associated With Grass Seeds in the Telperion Nature Reserve, South Africa”. Zootaxa, vol. 4370, no. 2, Jan. 2018, pp. 137–155, doi:10.11646/zootaxa.4370.2.3.