1. Buhaug, Ø., Corbett, J.J., Endresen, Ø., Eyring, V., Faber, J., Hanayama, S., Lee, D.S., Lee, D., Lindstad, H., Markowska, A.Z., Mjelde, A., Nelissen, D., Nilsen, J., Palsson, C., Winebrake, J.J., Wu, W.-Q., Yoshida, K.: Second IMO GHG study 2009. International Maritime Organization (IMO), London (2009)
2. Endresen, Ø., Dalsøren, S., Eide, M., Isaksen, I.S., Sørgård, E.: The environmental impacts of increased international maritime shipping, past trends and future perspectives. OECD/ITF Global Forum on Transport and Environment in a Globalising World, Guadalajara, Mexico (2008), Also published in OECD 2010, Globalisation, Transport and the Environment (2010) ISBN 978926407919-9
3. Van Dender, K., Crist, P.: Policy instruments to limit negative environmental impacts from increased international transport: An economic perspective, Guadalajara, Mexico, November 10-12. Global Forum on Transport and Environment in a Globalising World (2008)
4. Lau, K.Y., et al.: Performance analysis of hybrid photovoltaic/diesel energy system under Malaysian conditions. Energy 35, 3245–3255 (2010)
5. Agbossou, K., Kolhe, M., Hamelin, J., Bose, T.K.: Performance of a stand-alone renewable energy system based on energy storage as hydrogen. IEEE Trans. Energy Convers. 19(3), 633–640 (2004)