1. The turbulent drag reduction by graft copolymers of guargum and polyacrylamide;Deshmukh;J. Appl. Polym. Sci.,1985
2. Elias, V., Vocel, J., 1980a. Long term field experiments with polymer additives for sprinkler irrigation. Communications of the Institute of Hydrodynamics, Prague, No. 10.
3. Elias, V., Vocel, J., 1980b. Increasing the capacity of the sprinkler irrigation network by polymer additives. International Commission on Irrigation and Drainage, 11th Congress, pp. 227–233.
4. Gyr, A., Bewersdorff, H.-W., 1995. Drag Reduction of Turbulent Flows by Additives. Kluwer Academic Publishers, Dordrecht, Boston, London, 208 pp.
5. Application of drag reducing polymers in reducing energy requirement of sprinkler irrigation system;Holey;J. Agric. Eng.,1979