1. R. W. Kerr: Chemistry and Industry of Starch, 2nd ed. AcademicPress Inc., New York, 1950.
2. H. C. H. Darly, G. R. Gray: Composition and Properties ofDrilling and Completion Fluids. Gulf Publishing Co., Houston,TX. 1988.
3. Y. L. Chen, K. Q. Zhang: Drilling Fluids. Oil Industry Press,Beijing, 1988.
4. Applications of Water-Soluble Polymers in the Oil Field
5. L. T. Zhang: Modified Starches. South China University ofTechnology Press, Guangzhou, 1992.