@article{articlec8f49543,
title   = {Spectroscopic studies on the interaction of tetramethylpyridylporphyrins and cationic clays},
author = {Dias, Patricia M. and Faria, Dalva Lúcia Araújo de and Constantino, Vera Regina Leopoldo},
year = {2000},
journal   = {Journal of Inclusion Phenomena and Macrocyclic Chemistry}
}