1. Plane turbulent impinging jets;Beltaos;J. Hydraulics Res.,1973
2. Continuus high velocity jet excavation—Phase I. Report no. 6241;Chadwick,1972
3. Putting water jets to work;Harris,1972
4. Some aspects of rock cutting by high speed water jet;Leach;Phil. Trans. Roy. Soc. London,1966
5. Examination of high pressure water jets for use in rock tunnel excavation;McClain,1970