@article{article6f319638, title = {Testing hadronic interactions at ultrahigh energies with air showers measured by the Pierre Auger Observatory}, author = {Aab, A. and Albuquerque, Ivone Freire da Mota e and Souza, Vitor de and Gouffon, Philippe and Prado, R. R. and Santos, Edivaldo Moura and Peixoto, Carlos Jose Todero}, year = {2016}, doi = {10.1103/PhysRevLett.117.192001}, journal = {Physical Review Letters} }