Stankoviansky, Miloš. “Historical and Present Slope Evolution in Hilly Farmland (on the Example of the Myjava Hill Land, Slovakia)”. Geografia Fisica E Dinamica Quaternaria, vol. 6, Jan. 2003, pp. 91-97, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1259.