The Unseen - An Investigative Analysis of Thematic and Spatial Coverage of News on the Ongoing Refugee Crisis in West Africa. - Hansi Senaratne; Martin Mühlbauer; Ralph Kiefl; Andrea Cárdenas; Lallu Prathapan; Torsten Riedlinger; Carolin Biewer; Hannes Taubenböck (ISPRS Int. J. Geo Inf., 2023)