Blakemore, R. J., J.-L. Cho, and T. S. Park. “Six Exotic Terrestrial Earthworms (Oligochaeta: Megadrilacea: Moniligastridae, Lumbricidae, Ocnerodrilidae &Amp; Megascolecidae) Newly Added to Korean Species Biodiversity List”. Zootaxa, vol. 3368, no. 1, July 2012, pp. 300–304, doi:10.11646/zootaxa.3368.1.16.