Phosphoric acid activation of Morrocan oil shale of Timahdit: Influence of the experimental conditions on yield and surface area of adsorbents S. Ichcho, E. Khouya, A. Abourriche, M. Ezzine, H. Hannache, R. Naslain et R. PaillerJ. Phys. IV France, 123 (2005) 81-85DOI: https://doi.org/10.1051/jp4:2005123013
