1. Barriers to the adoption of really-new products and the role of surrogate buyers;Aggarwal;J. Consum. Mark.,1998
2. Relationships between perceived attributes of innovations and their subsequent adoption;Allan;Peabody J. Educ.,1978
3. Altman, M., Schmidt, P., O’Garra, T., Hard, D., Mourate, S., Rohr, C., Contestabile, M., Saynor, B., Garrity, L., Graesel, C., Beerenwinkel, A., Kurani, K., Miller, M., Levin, J., Whitehouse, S., 2004. Public Perception of Hydrogen Buses in Five Countries.
4. Hybrid, plug-in hybrid, or electric-What do car buyers want?;Axsen;Energy Policy,2013
5. The future of hydrogen – opportunities and challenges;Ball;Int. J. Hydrogen Energy,2009