1. Internal Variables in Thermoelasticity;Berezovski,2017
2. G. Capriz, Continua with Microstructure, Springer Verlag, Heidelberg.
3. Sulla conduzione del calore;Cattaneo;Atti Sem. Mat. Fis. Modena,1948
4. On second sound in materials with memory;Chen;Z. Angew. Math. Phys.,1970
5. An extension of Liu procedure in weakly nonlocal thermodynamics;Cimmelli;J. Math. Phys.,2007