The prospects for a hydrogen economy (1): hydrogen futures. - Paul Ekins; Nick Hughes (Technol. Anal. Strateg. Manag., 2009)

The prospects for a hydrogen economy (2): hydrogen transitions. - Paul Ekins; Nick Hughes (Technol. Anal. Strateg. Manag., 2010)

The development of wind power in China, Europe and the USA: how have policies and innovation system activities co-evolved? - William McDowall; Paul Ekins; Slavo Radosevic; Le-yin Zhang (Technol. Anal. Strateg. Manag., 2013)