Popay, A., and B. Tapper. “Endophyte Effects on Consumption of Seed and Germinated Seedlings of Ryegrass and Fescue by Grass Grub (Costelytra Zealandica) Larvae”. NZGA: Research and Practice Series, vol. 13, Jan. 2007, pp. 353-5, doi:10.33584/rps.13.2006.3168.