STANEV, Todor. ULTRAHIGH ENERGY COSMIC RAYS: REVIEW OF THE CURRENT SITUATION. Acta Polytechnica, [S. l.], v. 53, n. A, p. 693–697, 2013. DOI: 10.14311/AP.2013.53.0693. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/1948.. Acesso em: 13 may. 2025.