BATISTA-LEYVA, A. J.. Radiometry and Photometry: Two Visions of One Phenomenon. Revista Cubana de FĂ­sica, [S.l.], v. 36, n. 1, p. 66-72, july 2019. ISSN 2224-7939. Available at: <http://revistacubanadefisica.org/index.php/rcf/article/view/623>. Date accessed: 24 aug. 2019.