1. For a most comprehensive reading on this subject, see for example:
2. Coleman, B.D., Markovitz, H. and Noll, W., Viscometric Flows of Non-Newtonian Fluids, ed. C. Truesdell, Springer - Verlag, Berlin - Heidelberg, 1966.
3. Schowalter, W.R., Mechanics of Non-Newtonian Fluids, Pergamon Press, Oxford, 1978.
4. Tanner, R.I., Engineering Rheology, Clarendon Press, Oxford, 1985.
5. Oldroyd, J.G., Proc. Roy. Soc., 1950, A200, 523.