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References
- ↑ Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. p. 37. ISBN 978-1-84724-008-8.
- ↑ Celsius, Anders (1742). "Observationer om twänne beständiga grader på en thermometer" (Observations about two stable degrees on a thermometer). Kungliga Svenska Vetenskapsakademiens Handlingar (Proceedings of the Royal Swedish Academy of Sciences) 3:171-180 and .
- ↑ Jervis-Smith, Frederick John (1911). . In Chisholm, Hugh (ed.). Encyclopædia Britannica . Vol. 6 (11th ed.). Cambridge University Press. p. 302.
- ↑ Routh, Edward John (1905). The Elementary Part of A Treatise on the Dynamics of a System of Rigid Bodies. London: Macmillan.
- ↑ Ferguson, Niall (2011). Civilization: The West and the Rest. London: Allen Lane. ISBN 978-1-84614-273-4.
- ↑ Museum of the History of Science, Oxford, inventory 98721 (exhibit label noted 2012).
- ↑ "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 21 July 2020.