1. Standard Methods for the Examination of Water and Waste Water,1971
2. The evaluation of surface-active agents for use in the prevention of differential pressure sticking of drill pipe;Albers,1962
3. New technique evaluates drilling mud lubricants;Alford;World Oil,1976
4. Investigation of the electrical stability test for oil muds;Ali,1987
5. Particle Size Measurement;Allen,1975