PIQUEMAL J-Y ET AL: 'Using inorganic silicate precursor/molybdenum peroxo complexes/onium salt interfaces in aqueous acidic media to design mesoporous silica with high molybdenum content and high dispersion', MICROPOROUS AND MESOPOROUS MATERIALS, ELSEVIER SCIENCE PUBLISHING, NEW YORK, US, vol. 29, no. 3, July 1999 (1999-07-01), pages 291 - 304, XP004172271, ISSN: 1387-1811