R. Ellinghaus and W. Muschik
Liquids subjected to electromagnetic fields: Evaluation of the dissipation inequality with computer algebraic methods
in: W. Schneider, H. Troger, F. Ziegler (Eds.): Trends in Applications of Mathematics to Mechanics
Longman 1991, 242-247

We are able to apply Liu's lemma to quite big state spaces by doing the necessary algebra with the help of extensions of the REDUCE Language. Although the constitutive relations could not be presented in this shor summary, and some of the resulting equations are difficult to interpret, we got them in full generality. The application of these equations will be treated elsewhere.