Martinsson, Svante, Mårten Klinth, and Christer Erséus. “Distribution and Genetic Diversity of Two Earthworms, Helodrilus Oculatus and Satchellius Mammalis (Clitellata: Lumbricidae) in Scandinavia”. Fauna norvegica 41 (May 27, 2021): 1-14. Accessed April 19, 2024. https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/3874.