Utente:Andrisano Antonio/Sandbox
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Luis Essen
Voci correlate[modifica | modifica wikitesto]
Note[modifica | modifica wikitesto]
Collegamenti esterni[modifica | modifica wikitesto]
- http://www.btinternet.com/~time.lord/
- http://www.sciencemuseum.org.uk/onlinestuff/stories/atomic_clocks.aspx
- http://www.wbabin.net/science/rickeressen.pdf
- http://www.cfpf.org.uk/articles/scientists/essen/essen.html
- http://www.wbabin.net/historical/essen2.pdf
- http://www.wbabin.net/historical/essen3.pdf
http://www.treccani.it/enciclopedia/james-thomson_res-a5f27dbc-86d9-11dc-9a1b-0016357eee51/