1920 in science (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "1920 in science" in English language version.

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Glinsky, Albert (2000). Theremin: Ether Music and Espionage. Urbana: University of Illinois Press. p. 26. ISBN 0-252-02582-2. Retrieved 2012-01-09.

astronauticsnow.com

"Robert H. Goddard Story". astronauticsnow. Retrieved 2019-07-19.

datesinhistory.com

"What happened on July 25". Dates in History. Retrieved 2012-01-09.

doi.org

Michelson, Albert Abraham; Pease, Francis G. (1921). "Measurement of the diameter of alpha Orionis with the interferometer". Astrophysical Journal (PDF). 53 (5): 249–59. Bibcode:1921ApJ....53..249M. doi:10.1086/142603.
Aston, F. W. (1920). "Isotopes and Atomic Weights". Nature. 105 (2646): 617–619. doi:10.1038/105617a0. S2CID 4267919. Retrieved 2023-04-25.
Mannich, C.; Löwenheim, Helene (1920). "Ueber zwei neue Reduktionsprodukte des Kodeins". Archiv der Pharmazie. 258 (2–4): 295–316. doi:10.1002/ardp.19202580218.
Griffith, A. A. (February 1920). "The Phenomenon of Rupture and Flow in Solids". Philosophical Transactions of the Royal Society. A221 (582–593): 163–98. Bibcode:1921RSPTA.221..163G. doi:10.1098/rsta.1921.0006. hdl:2027/uiug.30112007702761. JSTOR 91192.

handle.net

hdl.handle.net

Griffith, A. A. (February 1920). "The Phenomenon of Rupture and Flow in Solids". Philosophical Transactions of the Royal Society. A221 (582–593): 163–98. Bibcode:1921RSPTA.221..163G. doi:10.1098/rsta.1921.0006. hdl:2027/uiug.30112007702761. JSTOR 91192.

harvard.edu

ui.adsabs.harvard.edu

Michelson, Albert Abraham; Pease, Francis G. (1921). "Measurement of the diameter of alpha Orionis with the interferometer". Astrophysical Journal (PDF). 53 (5): 249–59. Bibcode:1921ApJ....53..249M. doi:10.1086/142603.
Griffith, A. A. (February 1920). "The Phenomenon of Rupture and Flow in Solids". Philosophical Transactions of the Royal Society. A221 (582–593): 163–98. Bibcode:1921RSPTA.221..163G. doi:10.1098/rsta.1921.0006. hdl:2027/uiug.30112007702761. JSTOR 91192.

jstor.org

Griffith, A. A. (February 1920). "The Phenomenon of Rupture and Flow in Solids". Philosophical Transactions of the Royal Society. A221 (582–593): 163–98. Bibcode:1921RSPTA.221..163G. doi:10.1098/rsta.1921.0006. hdl:2027/uiug.30112007702761. JSTOR 91192.

misto.cz

capek.misto.cz

Zunt, Dominik (2004). "Who did actually invent the word "robot" and what does it mean?". Karel Čapek (1890–1938). Archived from the original on 2012-02-04. Retrieved 2011-12-06.

ox.ac.uk

Based on its genetic history. "HIV pandemic's origins located". University of Oxford. 2014-10-03. Retrieved 2014-10-05.

semanticscholar.org

api.semanticscholar.org

Aston, F. W. (1920). "Isotopes and Atomic Weights". Nature. 105 (2646): 617–619. doi:10.1038/105617a0. S2CID 4267919. Retrieved 2023-04-25.

web.archive.org

Zunt, Dominik (2004). "Who did actually invent the word "robot" and what does it mean?". Karel Čapek (1890–1938). Archived from the original on 2012-02-04. Retrieved 2011-12-06.

zenodo.org

Aston, F. W. (1920). "Isotopes and Atomic Weights". Nature. 105 (2646): 617–619. doi:10.1038/105617a0. S2CID 4267919. Retrieved 2023-04-25.
Mannich, C.; Löwenheim, Helene (1920). "Ueber zwei neue Reduktionsprodukte des Kodeins". Archiv der Pharmazie. 258 (2–4): 295–316. doi:10.1002/ardp.19202580218.