@misc{misc274f3b53, title = {Iron(III)-tetra-o-ureaphenylporphyrinosilica obtained by a sol-gel process: a study of EPR, surface area and catalytic activity}, author = {Biazzotto, Juliana Cristina and Vidoto, Ednalva Aparecida and Nascimento, Otaciro Rangel and Iamamoto, Yassuko and Serra, Osvaldo Antonio}, year = {2002}, publisher = {Elsevier Science}, booktitle = {International Symposium on Non-Crystalline Solids in Brazil} }