[1] Assy, T. M. (2004). Mecanica dos Fluidos: Fundamentos e Aplicacoes (2nd Ed.). (Rio de Janeiro: LTC.
[2] Caffarelli, R. V. (2009). Galileo Galilei and Motion—A Reconstruction of 50 Years of Experiments and Discoveries (Jointly Published by Springer & Società Italiana di Fisica).
[3] Drake, S. (1989). Galileo Galilei: Two New Sciences (2nd Ed., pp. 281-342). Ontario: Wall & Emerson, Inc. http://www.spirasolaris.ca/sbb6Added_Day.pdf