1. Cattaneo, C., Atti Semin. Mat. Fis. Univ. Modena, 1948, vol. 3, p. 83.
2. Cattaneo, C., C. R. Hebd. Seances Acad. Sci., 1958, vol. 247, no. 4, p. 431.
3. Vernotte, P., C. R. Hebd. Seances Acad. Sci., 1958, vol. 246, no. 22, p. 3154.
4. Luikov, A.V., J. Eng. Phys., 1965, vol. 9, no. 3, p. 189.
5. Liu, K.C. and Chang, P.C., Appl. Math. Modell., 2007, vol. 31, p. 369.