Remote Sensing and GIS Contribution to the Investigation of Karst Landscapes in NW-Morocco.Published in:Geosciences (2076-3263), 2014, v. 4, n. 2, p. 50, doi. 10.3390/geosciences4020050By:Theilen-Willige, Barbara;Ait Malek, Halima;Charif, Abdessamad;El Bchari, Fatima;Chaïbi, MohamedPublication type:Article