BIETENHOLZ, Wolfgang.
The Most Powerful Particles in the Universe: A Cosmic Smash.
Revista Cubana de FĂsica, [S.l.], v. 31, n. 1, p. 45-50, july 2014.
ISSN 2224-7939.
Available at: <http://revistacubanadefisica.org/index.php/rcf/article/view/RCF_31-01_45_2014>. Date accessed: 07 may 2024.