Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory - Aab, A.; Albuquerque, Ivone Freire da Mota e; Souza, Vitor de; Anjos, R. C.; Gouffon, Philippe; Prado, R. R.; Carvalho, W. Rodrigues de; Santos, Edivaldo Moura; Peixoto, Carlos Jose Todero (Physical Review D, 2016)