ÁLVAREZ GONZÁLEZ, J. L..
Experimenting with Pyramids.
Revista Cubana de Física, [S.l.], v. 25, n. 1, p. 22-27, june 2008.
ISSN 2224-7939.
Available at: <https://revistacubanadefisica.org/index.php/rcf/article/view/RCF_25_1_22_2008>. Date accessed: 29 mar. 2024.