by Langmi, H.W., Book, D., Walton, A., Johnson, S.R., Al-Mamouri, M.M., Speight, J.D., Edwards, P.P., Harris, I.R., Anderson, P.A.
Published in Journal of alloys and compounds (08.12.2005)

by Langmi, H.W., Walton, A., Al-Mamouri, M.M., Johnson, S.R., Book, D., Speight, J.D., Edwards, P.P., Gameson, I., Anderson, P.A., Harris, I.R.
Published in Journal of alloys and compounds (11.08.2003)

by Musyoka, N. M., Ren, J., Langmi, H. W., Rogers, D. E. C., North, B. C., Mathe, M., Bessarabov, D.
Published in International journal of energy research (25.03.2015)

by Ramirez-Cuesta, A.J., Mitchell, P.C.H., Ross, D.K., Georgiev, P.A., Anderson, P.A., Langmi, H.W., Book, D.
Published in Journal of alloys and compounds (31.10.2007)

by Langmi, H.W., Ren, J., Musyoka, N.M.
Published in Compendium of Hydrogen Energy (2016)