Loibl, David; Lehmkuhl, Frank - In: Journal of Maps 9 (2013) 2, pp. 245-253
A high-resolution geomorphological map covering the central part of a low mountain range close to the city of Aachen in the border region of western Germany and eastern Belgium is presented. It is conceptually based on the 'Geomorphologische Karte 1:25,000' (GMK) which was developed by German...