@article{article58c7ea8c,
title   = {Interpretation of the depths of maximum of extensive air showers measured by the Pierre Auger Observatory},
author = {Abreu, P. and Albuquerque, Ivone Freire da Mota e and Souza, Vitor de and Gouffon, Philippe and Peixoto, C J Todero and Tridapalli, D B},
year = {2013},
doi = {10.1088/1475-7516/2013/02/026},
journal   = {Journal of Cosmology and Astroparticle Physics}
}