1. Brewster, D. 1858. Euler’s Letters to a German Princess. Retrieved from http://books.google.com.br/books?id=CVTkAAAAMAAJ&printsec=frontcover&hl=pt-BR&source=gbs_ge_summary_r&cad=0–#"v=onepage&q&f=false .
2. Brown, G. 2002. The History of the Darcy-Weisbach Equation for Pipe Flow Resistance. Environmental and Water Resources History, American Society of Civil Engineers, 34-43.
3. Darrigol, O. 2005. Worlds of Flow: A history of hydrodynamics from the Bernoullis to Prandtl. Oxford University Press, Oxford.
4. Eckert, M. 2002. Euler and the Fountains of Sanssouci. Arch. Hist. Exact Sci. 56: 451–468.
5. Euler, L. 1761. Tentamen theoriae de frictione fluidorum [Attempt at a theory of the friction of fluids]. [Eneström index] E 260. Originally published in Novi Commentarii academiae scientiarum Petropolitanae 6, 1761, 338-388. Also published in Opera Omnia: Series II, Volume 12, 169–214. Both publications and a Portuguese translation by the author can be found in ‘The Euler Archive’ ( http://eulerarchive.maa.org/ ).