@article{article612b7a2b,
title   = {The low-lying eletronic states of PCI},
author = {Silva-Neto, Artur Gomes da and Roberto-Neto, Orlando and Ornellas, Fernando Rei and Machado, Francisco Bolivar Correto},
year = {2004},
doi = {10.1016/j.cplett.2004.07.084},
journal   = {Chemical Physics Letters}
}