1. An investigation of flotation of zirconium and titanium minerals from beach sand;Bulatovic;Report of Investigation, LR-4162,1991
2. Flotation of titanium-tantalum and niobium using collector IM50;Gorlovskeii;Obogaschenie Rud,1974
3. Flotation studies of flotability of titanium minerals using sodium oleate;Naifonov;Tsvetnaja Metalurgia,1980
4. Flotation of perovskite using complex forming collectors;Naifonov;Tsvetnie Metaly,1966
5. Beneficiation of ores containing rare, oxidic and gold containing minerals;Polkin,1987