V. Standen, U. Graefe, R. M. Schmelz, and J. Schlaghamerský, “Diversity of Enchytraeidae (Annelida: Clitellata) in habitats within the Magnesian Limestone Plateau of County Durham, U.K”., Soil Org, vol. 81, no. 2, pp. 137–143, Aug. 2009, Accessed: Apr. 02, 2025. [Online]. Available: https://soil-organisms.org/index.php/SO/article/view/193