1. Flotation of cassiterite ores;Cibulka;Chechoslov Mining Journal No. 8,1960
2. Mineralogical evaluation of gravity tin concentrate from alluvial and weathered ores;Krstic,1999
3. Problems of mineral concentration;Plaskin,1963
4. Pyrogallol as a regulator in non-sulphide flotation - flotation properties of rare metal minerals;Plaskin;Nedra,1965
5. Flotation of oxides and rare metal ores;Polkin;Nedra,1987