Lischeid, Gunnar, and Marco Nathkin. “The Potential of Land-Use Change to Mitigate Water Scarcity in Northeast Germany – a Review”. DIE ERDE – Journal of the Geographical Society of Berlin, vol. 142, no. 1-2, Apr. 2011, pp. 97-113, https://die-erde.org/index.php/die-erde/article/view/44.