Laribi, AbdallahWalstra, JanOugrine, MoussaSeridi, AhcèneDechemi, Noureddine2015-11-042015-11-04201500137952https://dspace.univ-boumerdes.dz/handle/123456789/2373enDigital elevation model (DEM)Digital photogrammetryDisplacement vectorEl Biar (Algiers)LandslideUse of digital photogrammetry for the study of unstable slopes in urban areas : case study of the El Biar landslide, AlgiersArticle