Hanousková, Irena - Lapka, Miloslav
"Abandoned" Area Ralsko and Proposal of Tourist Road and Path Net. A Case Study.
Warsaw: Wydzial geografii i studiów regionalnych universitetu Warszawskiego, 1994. ISBN 83-85785-11-6. In: Landscape Research and its Applications in Environmental Management., s. 227-232
http://hdl.handle.net/11104/0066598