Ye, Hang, et al. “Influence of F&Ndash; Ions As Flux from Different Resources on Vitrified Bond for Cubic Boron Nitride Grinding Tools”. Asian Journal of Chemistry, vol. 23, no. 12, Sept. 2011, pp. 5486-90, https://asianpubs.org/index.php/ajchem/article/view/11106.