Artigo de Peri??dico
An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger Observatory
Fecha
2007Registro en:
0927-6505
v. 27, n. 2-3
Autor
Abraham, J.
Aglietta, M.
Aguirre, C.
Allard, D.
Pepe, Iuri Muniz