1. Performance characteristics of coal-washing equipment: Hydrocyclones;Deurbrouck;U.S. Bur. Mines, Rep. Invest.,1974
2. Performance characteristics of coal-washing equipment: Dense—medium cyclones;Deurbrouck;U.S. Bur. Mines, Rep. Invest.,1972
3. Performance characteristics of coal-washing equipment: Concentrating tables;Deurbrouck;U.S. Bur. Mines, Rep. Invest.,1963
4. Applied Regression Analysis;Draper,1966
5. Normal and Weibull distributions;Dubey;Nav., Res. Logist. Q.,1966