1. Iesan, D., Principes variationnels dans la théorie de la thermoélasticité, Ann. St. Univ. Al.I.Cuza Iasi, 12, 439, 1966.
2. Iesan, D., On some reciprocity theorems and variational theorems in linear dynamic theories of continuum mechanics, Mem. Acc. Sciences Torino, serie 4, n° 17, 1974.
3. Nickell, R. and Sackman, J., Variational principles for linear coupled thermoelasticity, Quart. Appl. Math., 26, 11, 1968.
4. Biot, M., Thermoelasticity and irreversible thermodynamics, J. AppZ. Phys., 27, 240, 1956.
5. Biot, M., Linear thermodynamics and the mechanics of solids, Proc. Third U.S. Nat. Congress Appl. Mec., 1, 1958.