Roger Sherman Hoar et F. R. Moulton, « New Methods in Exterior Ballistics. », The American Mathematical Monthly, vol. 34, no 6, , p. 325 (DOI10.2307/2299335, lire en ligne, consulté le )
(en) Francis Bashforth et John Couch Adams, An attempt to test the theories of capillary action by comparing the theoretical and measured forms of drops of fluid, Cambridge University Press, (lire en ligne)
Roger Sherman Hoar et F. R. Moulton, « New Methods in Exterior Ballistics. », The American Mathematical Monthly, vol. 34, no 6, , p. 325 (DOI10.2307/2299335, lire en ligne, consulté le )