1. Feldspar and nepheline syenite, at the mercy of glass markets;Burger;Industrial minerals,1990
2. Effect of process variables in feldspar flotation using non-HF system;Malghan;Mining Engineering,1981
3. Flotation separation of feldspar;Katayanagi,1974
4. Selective flotation of feldspar in non-fluoride medium;Malghan,1976
5. Beneficiation of kaolin clay by froth flotation using hydroxamate collectors;Yoon;Minerals Engineering,1992