1. Liu I.S.: Method of Lagrange multipliers for exploitationof the entropy principle. Arch. Rat. Mech. Anal. 46, 131 (1972)
2. Muschik W., Ehrentraut H.: An amendment to the Second Law. J. Non-Equilib. Thermodyn. 21, 175 (1996)
3. Herrmann H., Muschik W., Rückner G.: Constitutive theory in general relativity: basic fields, state spaces, and the principle of minimal coupling. Rend. Sem. Mat. Univ. Pol. Torino, Geom., Cont. Micros., II 58, 133 (2000)
4. Muschik, W., v. Borzeszkowski, H.-H.: Mathisson–Papapetrou equations as conditions for the compatibility of General Relativity and Continuum Physics. Gen. Relativ. Gravit. 46, 1677 (2014), arXiv:1304.3921v1 [gr-qc] 14 Apr 2013
5. Muschik W.: Objectivity and frame indifference of acceleration-sensitive materials. J. Theor. Appl. Mech. 50, 807 (2012)