1. Sulphidization of solid titania slag;Borowiec;Scandinavian Journal of Metallurgy,,1991
2. Elger, G.W., Kirby, D.E., 1976. Synthesis of rutile from titaniferous slag. US Patent. No. 3,996,332.
3. Elger, G.W., Holmes, R.A., 1982. Purifying titanium-bearing slag by promoted sulfation. US Patent. No. 4,362,557
4. Dye-sensitized solar cells;Grätzel;Journal of Photochemistry and Photobiology C: Photochemistry Reviews,,2003
5. Gueguin, M., 1978. Chlorination of titanium slags. US Patent. No. 4,078,039.