@Article{ (J._BUENO_GARCÍA_GONZÁLEZ_LOZANO_PANS_NAVAS:243-256,

author = { PIERRE AUGER COLLABORATION (J. ABRAHAMS ET AL.) and ANTONIO BUENO VILLAR and DIEGO GARCÍA GÁMEZ and JAVIER GONZÁLEZ TABOADA and JOSE JULIO LOZANO BAHILO and VÍCTOR PANS MOLINA and SERGIO NAVAS CONCHA } ,

title = { UPPER LIMIT ON THE COSMIC-RAY PHOTON FLUX ABOVE 1019 EV USING THE SURFACE DETECTOR OF THE PIERRE AUGER OBSERVATORY },

journal = { ASTROPARTICLE PHYSICS },

year = { 2008 },

volume = { 29 },

issn = { 0927-6505 },

pages = { 243-256 },

doi = { http://dx.doi.org/10.1016/j.astropartphys.2008.01.003 },

}