@article{articledfe7878d,
title   = {Reverse saturable absorption in 5,10,15, 20-Tetra(4-pyridyl)-21H,23H-porphyrin with Ruthenium outlying complexes},
author = {Barbosa Neto, Newton Martins and Oliveira, Samuel L. and Guedes, Ilde and Dinelli, Luis R. and Misoguti, Lino and Mendonça, Cleber Renato and Batista, Alzir A. and Zílio, Sérgio Carlos},
year = {2006},
doi = {10.1590/s0103-50532006000700027},
journal   = {Journal of the Brazilian Chemical Society}
}