Dózsa-Farkas, Klára, David Porco, and Gergely Boros. 2012. “Are Bryodrilus Parvus Nurminen, 1970 and Bryodrilus Librus (Nielsen and Christensen, 1959) (Annelida: Enchytraeidae) Really Different Species? A Revision Based on DNA Barcodes and Morphological Data”. Zootaxa 3276 (1). Auckland, New Zealand:38–50. https://doi.org/10.11646/zootaxa.3276.1.2.