A Conceptual Flash Flood Early Warning System for Africa, Based on Terrestrial Microwave Links and Flash Flood Guidance. - Joost C. B. Hoedjes; André Kooiman; Ben H. P. Maathuis; Mohammed Y. Said; Robert Becht; Agnes Limo; Mark Mumo; Joseph Nduhiu-Mathenge; Ayub Shaka; Bob Su (ISPRS Int. J. Geo Inf., 2014)