Surface structure and reactivity study of phosphotungstic acid-nitrogenated ormosils

por Ferreira-Neto, E.P., De Carvalho, F.L.S., Ullah, S., Zoldan, V.C., Pasa, A.A., De Souza, A.L., Battirola, L.C., Rudolf, P., Bilmes, S.A., Rodrigues-Filho, U.P.