Bogdanović, B., Felderhoff, M., Pommerin, A., Schüth, F., Spielkamp, N., & Stark, A. (2009). Cycling properties of Sc- and Ce-doped NaAlH₄ hydrogen storage materials prepared by the one-step direct synthesis method. Journal of Alloys and Compounds, 471, 383-386. doi:10.1016/j.jallcom.2008.03.106.