FILOBELLO-NINO, U. et al. HPM Approximations for Trajectories: From a Golf Ball Path to Mercury’s Orbit. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 47, n. 1, p. 103–115, 2018. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/3828. Acesso em: 20 sep. 2025.