Vetenskapsåret 1895
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Fotnoter
- ^ Hampel, Clifford A. (1968). The Encyclopedia of the Chemical Elements. New York: Van Nostrand Reinhold. sid. 256–268. ISBN 0-442-15598-0
- ^ Ramsay, William (20 december 1895). ”On a Gas Showing the Spectrum of Helium, the Reputed Cause of D3, one of the lines in the Coronal Spectrum. Preliminary Note”. Proceedings of the Royal Society of London "58" (1): ss. 65–67. doi:10.1098/rspl.1895.0006.
- ^ Ramsay, William (20 december 1895). ”Helium, a Gaseous Constituent of Certain Minerals. Part I”. Proceedings of the Royal Society of London "58" (1): ss. 80–89. doi:10.1098/rspl.1895.0010.
- ^ Ramsay, William (20 december 1895). ”Helium, a Gaseous Constituent of Certain Minerals. Part II”. Proceedings of the Royal Society of London "59" (1): ss. 325–330. doi:10.1098/rspl.1895.0097.
- ^ Munday, Pat (1999). ”W.F. Hillebrand (1853–1925), geochemist and U.S. Bureau of Standards administrator”. American National Biography. "10–11". Oxford University Press. sid. 808–9; 227–8
- ^ Emsley, John (2001). Nature's Building Blocks. Oxford University Press. sid. 175–179. ISBN 0-19-850341-5
- ^ Langlet, N. A. (20 december 1895). ”Das Atomgewicht des Heliums” (på german). Zeitschrift für anorganische Chemie "10" (1): ss. 289–292. doi:10.1002/zaac.18950100130.
- ^ Weaver, E. R. (1919). ”Bibliography of Helium Literature”. Industrial & Engineering Chemistry
- ^ ”Geological Society”. Arkiverad från originalet den 21 april 2009. https://web.archive.org/web/20090421141428/http://www.geolsoc.org.uk/gsl/info/collections/archives/page753.html. Läst 13 april 2011.
- ^ ”Geological Society”. Arkiverad från originalet den 5 juni 2011. https://web.archive.org/web/20110605102217/http://www.geolsoc.org.uk/gsl/society/history/page750.html. Läst 13 april 2011.
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