Li, De-Liang, Ling Zhang, Zhi-Xian Chang, and Zhi-Jun Zhang. 2010. “Determination of Epoxy Groups on Γ-Glycidoxypropyltrimethoxysilane Doped Nanosilicas by Oscillo-Polarographic”. Asian Journal of Chemistry 22 (3):2207-13. https://asianpubs.org/index.php/ajchem/article/view/11391.