1. Ariotti, P. (1968). Galileo on the isochrony of the pendulum. ISIS, 59(4), 414–426.
2. Crawford, F.S. (1996). Rolling and slipping down Galileo’s inclined plane: Rhythms of the spheres. American Journal of Physics, 64(5), 541–546.
3. Damerow, P., Renn, J., & Rieger, S. (2001). Hunting the white elephant: When and how did Galileo discover the law of fall? In J. Renn (Ed.), Galileo in context (pp. 29–150). Cambridge: Cambridge University Press.
4. Hahn, A.J. (2002). The pendulum swings again: A mathematical reassessment of Galileo’s experiments with inclined planes. Archive for History of Exact Sciences, 56, 339–361.
5. Hill, D.K. (1994). Pendulums and planes: What Galileo didn’t publish. Nuncius Ann Storia Sci, 2(9), 499–515.