@article{articlefb6be702,
title   = {Porphyrinosilica and metalloporphyrinosilica: hybrid organic-inorganic materials prepared by Sol-Gel processing},
author = {Iamamoto, Yassuko and Sacco, Hérica Cristina and Biazzotto, Juliana Cristina and Ciuffi, Kátia Jorge},
year = {2000},
doi = {10.1590/s0001-37652000000100008},
journal   = {Anais da Academia Brasileira de Ciências}
}