ans, American Nuclear Society
bipm, Bureau international des poids et mesures
bp, BP, Statistical Review of World Energy
desertec, Trans-Mediterranean Renewable Energy Cooperation
eia, Energy Information Administration, DOE
energy, U.S. Department of Energy (DOE)
energy, Europe's Energy Portal
energy, Europe's Energy Portal (commercial)
energyinst, Energy Institute, EI
energyinst, EI Statistical Review of World Energy
energy research, EU energy research
euro-fusion, EUROfusion Consortium
heatpumpingtechnologies, IEA, International Energy Agency
iea, International Energy Agency
ipcc, Intergovernmental Panel on Climate Change
ipp.mpg, Max Planck Institute for Plasma Physics
iter, ITER
nei, Nuclear Energy Institute
onlineconversion, Robert Fogt
prb, Population Reference Bureau
renewable-energy-industry, Business World of Renewable Energy
stirlingengine, American Stirling Company
stirlingengines, Stirling Engine Home Page
unitconversion, unitconversion.org
world-nuclear, World Nuclear Association
Arrhenius, Svante: On the Influence of Carbonic Acid in the Air upon the Temperature of the Ground", Philosophical Magazine 41, 237 (1896), Extract from a paper presented to the Royal Swedish Academy of Sciences, 11th December, 1895. Communicated by the Author
Einstein, Albert: Zur Elektrodynamik bewegter Körper, Annalen der Physik 4/17 (1905) 891-921
Smith, Crosby: The Science of Energy. A Cultural History of Energy Physics in Victorian Britain, ISBN 0-226-76421-4
Ostwald, Wilhelm: Report of the 62nd meeting of the British Association of Science held at Edinburgh in August 1892, John Murray, London, 1893, p. 661-662
Ostwald, Wilhelm: Chemische Energie, Leipzig 1893
Ostwald, Wilhelm: On Chemical Energy, Journal of the American Chemical Society XV.,
August, 1893
Young, Thomas: A Course of Lectures on Natural Philosophy 2 (1807) 52