@article{articlec3f3dc02,
title   = {Anisotropy and chemical composition of ultra-high energy cosmic rays using arrival directions measured by the Pierre Auger Observatory},
author = {Abreu, P. and Albuquerque, Ivone Freire da Mota e and Souza, Vitor de and Gouffon, Philippe and Carvalho junior, W. Rodrigues de and Peixoto, C J Todero and Tridapalli, Diogo Bernardes},
year = {2011},
doi = {10.1088/1475-7516/2011/06/022},
journal   = {Journal of Cosmology and Astroparticle Physics}
}