Jeremy Rifkin
Russell H. Jones
Méziane Boudellal
Daniel S. Davis
Michael Ball
Michael F. Hordeski
Thomas Hübert
Mehmet Sankir
National Research Council (US)
Jorge Ancheyta
Meena Marafi
Keith Scott
Xing L. Yan
Edward Gobina
Bernstein, Mark
Alberta. Alberta Energy. Research and Technology Branch
Hanane Dagdougui
W. J. Brown
Nihon Kōgyō Shuppan
Japan. Chūgoku Keizai Sangyōkyoku