KRENZ, Kristina, HENNING, Matthias and KAUSCH, Ellen. The influence of burning and mulching on sand heath birds in SPA Colbitz-Letzlinger Heide. Ecological Questions. Online. 14 July 2015. Vol. 21, pp. 75-78. [Accessed 27 April 2024]. DOI 10.12775/EQ.2015.013.