1. New methods of sulfide concentrate upgrading;Bakinov,1964
2. Brown, E.H., 1955. Concentration of sylvite from sylvinite ore. US Patent 2,699,255.
3. Selective flocculation and flotation of iron-bearing materials;Colombo,1980
4. de Araujo, A.C., 1988. Starch Modification of the Flocculation and Flotation of Apatite. PhD thesis, University of British Columbia, Vancouver, Canada.
5. The effect of slime coatings of the serpentine minerals, chrysotile and lizardite, on pentlandite flotation;Edwards;Int. J. Miner. Process.,1980