Lopes, J M S Evolution of electronic and vibronic transitions in metal(II) meso-tetra(4-pyridyl)porphyrins. [electronic resource] - Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy May 2019 - 327-333 p. digital Publication Type: Journal Article ISSN: 1873-3557 Standard No.: 10.1016/j.saa.2019.02.024 doi