çalves P.J., Franzen P.L., Correa D.S., Almeida L.M., Takara M., Ito A.S., ílio S.C., Borissevitch I.E..  2011.  Effects of environment on the photophysical characteristics of mesotetrakis methylpyridiniumyl porphyrin (TMPyP). Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 79(5):1532-1539.

Maximiano R.V., Piovesan E., ílio S.C., Machado A.E.H., de Paula R., Cavaleiro J.A.S., Borissevitch I.E., Ito A.S., çalves P.J., Neto N.M.Barbosa.  2010.  Excited-state absorption investigation of a cationic porphyrin derivative. Journal of Photochemistry and Photobiology A: Chemistry. 214(2-3):115-120.