Step Bunches, Nanowires and Other Vicinal “Creatures”—Ehrlich–Schwoebel Effect by Cellular Automata Sep 19, 2021 Magdalena Załuska-Kotur, Hristina Popova, Vesselin Tonchev Crystals 2021, 11(9), 1135 https://www.mdpi.com/2073-4352/11/9/1135/htm