Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Save this search Download search results Subscribe to news feed Your filters: cql: author="Smidt, Wolbert" or (type any "bookEditor issueEditor" and editor="Smidt, Wolbert") Add to list Book Chapter Historical maps, terrestrial and aerial photographs Jan Nyssen (UGent) , Gordon Petrie, R Neil Munro, Miro Jacob (UGent) , Wolbert Smidt, Mitiku Haile, Amaury Frankl (UGent) and Paolo Billi (2019) Geo-trekking in Ethiopia's tropical mountains : the Dogu'a Tembien District. In GeoGuide p.461-476 Add to list Conference Paper C3 The Zeyi cave in north Ethiopia and potential for geotourism Jan Nyssen (UGent) , Sofie Annys (UGent) , Meheretu Yonas, Tesfaalem-Ghebreyohannes Asfaha (UGent) , Wolbert Smidt, Seifu Gebreselassie, Francesco Dramis, Camille Ek and David Causer (2019) Belgian Geographers Days, 8th, Book of abstracts. p.65-65