1. Y. Cebeci, E. Teke, A. Akar, N. Asian and M. Canbazoglu, “Selestit cevherinin zenginle§tirilmesi ve stronsiyum kullamm alanlan (Mineral processing of the celestite ore and use of the strontium)”, C. O. Miihendislik Fakiiltesi Madencilik Bilim ve Teknoloji Dergisi (Journal of Mining Science and Technology, C. U. Faculty of Eng. 1993, V.1. No.1, 137-148. 2.
2. N. Asian and M. Canbazoglu, “Processing of Thickener Underflow from Celestite Concentrator by Multi Gravity Separator”, 6th International Mineral Processing Symposium, 24-26, September, 1996, Ku§adasi, Turkey, pp.103-107.
3. M. Oliazadeh and H. Mohammedi, “Benefication Studies of Zagros Celestite”, 7th International Mineral Processing Symposium, 15-17 September, 1998, Istanbul, Turkey, pp.271-275.
4. S. Aydogan and O. Akdemir, “Shear Flocculation of Celestite by Oleate and Amine”, 7th International Mineral Processing Symposium, 15-17 September, 1998, Istanbul, Turkey, pp. 201–205.
5. Y. Cebeci, Y. Ulusoy and M. Eriten, “Concentration of Celestite by Oil Agglomeration”, 8th International Mineral Processing Symposium, 16-18 October, 2000, Antalya, Turkey, pp. 161–167.