Gresens, Susan, Elisabeth Stur, and Torbjorn Ekrem. “Phenotypic and Genetic Variation Within the Cricotopus Sylvestris Species-Group (Diptera, Chironomidae), across a Nearctic - Palaearctic Gradient”. Fauna norvegica 310 (October 17, 2012): 137. Accessed April 26, 2024. https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/1417.