@misc{misc48d41d1a, title = {The lateral trigger probability function for the ultra-high energy cosmic ray showers detected by the Pierre Auger Observatory}, author = {Abreu, P and Albuquerque, Ivone Freire da Mota e and Gouffon, Philippe and Carvalho, W Rodrigues de and Tridapalli, D B}, year = {2011} }