Dunger, Wolfram, and Karin Voigtländer. 2009. “Soil Fauna (Lumbricidae, Collembola, Diplopoda and Chilopoda) As Indicators of Soil Eco-Subsystem Development in Post-Mining Sites of Eastern Germany – a Review”. SOIL ORGANISMS 81 (1):1–51. https://soil-organisms.org/index.php/SO/article/view/184.