1. Snake River iron deposit,1966
2. Reduction of the calcite content of ground shale by liquid-liquid particle transfer;Coleman;J. Appl. Chem.,1967
3. The flotation of quartz using calcium ion as activator;Cooke;A.I.M.E. Trans.,1949
4. Final Evaluation Report of Crest Exploration Ltd.;Daellenbach,1965
5. Chelation of quartz activating ions in oleic acid flotation;Daellenbach;Trans. Soc. Min. Eng.,1964