1. H. VILLAT, Leçons sur les fluides visqueux, Paris, 1943, p. 72.
2. Reversible Bewegungen von Flüssigkeiten und Gasen;MEIXNER;Ann. d. Physik,1942
3. The mechanical foundations of elasticity and fluid dynamics;TRUESDELL;J. Rat. Mech. and An.,1952
4. On the viscosity of fluids according to the kinetic theory;TRUESDELL;Z. f. Physik,1952
5. The second coefficient of viscosity of liquids and gases;KARIM;Rev. Mod. Phys.,1952