1. RHI Group Prospectus “Refractory Materials for the Glass Industry.”
2. SEPR Group Prospectus “Bonded Refractories Products for Glass Furnace. Fused Cast Refractories.”
3. SEPR Group Prospectus “Refractory Products for Glass Furnace. Fused Cast Refractories.”
4. R. G. Chernyakov, “Chromium-oxide refractories for the production of continuous glass fibers,” Novye Ogneupory, No. 4, 15 – 17 (2003).
5. BAKOR Scientific-Technical Center. Special and Refractory Ceramics. Product Catalog, 2006.