by Førde, T., Eriksen, J., Pettersen, A.G., Vie, P.J.S., Ulleberg, Ø.
Published in International journal of hydrogen energy (01.08.2009)

by Bujlo, P., Pasupathi, S., Ulleberg, Ø., Scholta, J., Nomnqa, M.V., Rabiu, A., Pollet, B.G.
Published in International journal of hydrogen energy (06.08.2013)

by Ulleberg, O
Published in International journal of hydrogen energy (2003)

by Ulleberg, O, Morner, S O
Published in Solar energy (01.04.1997)

by Tesfahunegn, S.G., Ulleberg, Ø., Vie, P.J.S., Undeland, T.M.
Published in Journal of power sources (01.12.2011)

by Bujlo, P., Xie, C. J., Shen, D., Ulleberg, O., Pasupathi, S., Pasciak, G., Pollet, B. G.
Published in International journal of energy research (01.09.2017)

by Ulleberg, Oystein
Published in Solar energy (2004)

by Ito, H., Maeda, T., Kato, A., Yoshida, T., Ulleberg, O.
Published in Journal of the Electrochemical Society (2010)

by Tesfahunegn, S. G., Ulleberg, O., Undeland, T. M., Vie, P. J. S.
Published in 2011 International Conference on Clean Electrical Power (ICCEP) (01.06.2011)

by Tesfahunegn, S. G., Vie, P. J. S., Ulleberg, O., Undeland, T. M.
Published in 2011 37th IEEE Photovoltaic Specialists Conference (01.06.2011)

by Ito, Hiroshi, Maeda, Tetsuhiko, Kato, Atsushi, Yoshida, Tetsuya, Ulleberg, Øystein
Published in ECS transactions (01.01.2009)

by Samson, G.T., Undeland, T.M., Ulleberg, O., Vie, P.J.S.
Published in 2009 International Conference on Clean Electrical Power (01.06.2009)