1. L. J. Crane, ZAMP21, 645?647 (1970).
2. P. Carragher, Ph.D. Thesis, University of Dublin, 1978.
3. B. Siddappa and B. S. Khapate, Rev. Roum. Sci. Tech. Mech. Appl.21, 4/97 (1976).
4. B. Siddappa and Abel Subhas, ZAMP36, 890?892 (1985).
5. K. J. Walters, Non-Newtonian Mech.5, 113?124 (1979).