Ma, Yanchun, et al. “Electrochemical Hydrogen Storage Properties of Sintered La0.7Mg0.3Ni2.5Co0.4Mn0.2Al0.1 Alloy”. Asian Journal of Chemistry, vol. 25, no. 9, Apr. 2013, pp. 4825-7, doi:10.14233/ajchem.2013.14115.