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DavidWBrooks (talk | contribs) remove bad links from Brown University - and we don't need to link to every rattleback-ish video online |
DavidWBrooks (talk | contribs) remove external link to non-English source; connection isn't obvious |
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*Doherty, Paul. Scientific Explorations. [http://www.exo.net/~pauld/activities/sweden/spoonrattleback.html ''Spoon Rattleback''.] 2000.
*[[Flinn Scientific Inc.]] [https://web.archive.org/web/20061214135407/http://www.flinnsci.com/Documents/demoPDFs/PhysicalSci/PS10440.pdf "Celt Spoon."]
*Pippard, A.B. [http://www.iop.org/EJ/abstract/0143-0807/11/1/112 "How to make a celt or rattleback."] ''European Journal of Physics'', vol. 11, pp. 63–4. Institute of Physics. 1990.
*Sanderson, Jonathan. Activity of the Week: [https://web.archive.org/web/20061021205047/http://www.scienceyear.com/about_sy/news/ps_176-200/ps_issue182.html#4 Rattleback].
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