@misc{misc7c1bf821,
title   = {development of multivariate mass composition diagnostic technique for ultra high energy cosmic ray observations at the Pierre Auger Observatory},
author = {Medina Tanco, Gustavo Adolfo and Sciutto, Sergio J},
year = {2002},
publisher = {SAB},
booktitle   = {Reunião Anual da Sociedade Astronômica Brasileira}
}