Stojanović, M., J. Sekulić, and T. Trakić. “Checklist of Earthworms (Oligochaeta: Lumbricidae) from Serbia: A Review”. Zootaxa, vol. 4496, no. 1, Oct. 2018, pp. 124–155, doi:10.11646/zootaxa.4496.1.9.