Extracting chemical information from single-wavelength X-ray reflectivity data - Chemical information from X-ray reflectivity dataFethi Salah, Besma Harzallah, Thiphaine Mérian, Dominique Debarnot, Fabienne Poncin-Epaillard and Arie van der LeeEur. Phys. J. Appl. Phys., 62 1 (2013) 10304DOI: https://doi.org/10.1051/epjap/2013130120