Dalchow, Claus, et al. “Visualisation and Interpretation of Moraine Landscapes in North- East Germany – the Ideal View on Landscape”. DIE ERDE – Journal of the Geographical Society of Berlin, vol. 143, no. 1-2, Sept. 2012, pp. 1-21, https://www.die-erde.org/index.php/die-erde/article/view/21.