OSABA-RODRÍGUEZ, C.. Simple Harmonic Motion: Finding the Phase Constant. Revista Cubana de Física, [S.l.], v. 36, n. 1, p. 51-54, july 2019. ISSN 2224-7939. Available at: <http://revistacubanadefisica.org/index.php/rcf/article/view/640>. Date accessed: 24 aug. 2019.