Map Design and Usability of a Simplified Topographic 2D Map on the Smartphone in Landscape and Portrait Orientations. - Beata Medynska-Gulij; Jacek Gulij; Pawel Cybulski; Krzysztof Zagata; Jakub Zawadzki; Tymoteusz Horbinski (ISPRS Int. J. Geo Inf., 2022)