1. Foam Flotation—Theory and Applications;Clarke,1983
2. Simultaneous separation of trace levels of Ge, Sb, As and Se from an acid matrix by adsorbing colloid flotation;DeCarlo;Anal. Chem.,1981
3. Liquid-Liquid Extraction of Germanium from Aqueous Solution Using Hydroxyoximes;DeSchepper,1975
4. Separation of chromium by flotation techniques;Matis,1985
5. Flotation of arsenic from dilute solutions;Matis,1985