1. Absorption of Sound in Fluids
2. K. F. Herzfeld,Thermodynamics and the Physics of Matter(Princeton University Press, Princeton, New Jersey, 1955), Vol. I, Sec. H, p. 646.
3. G. N. Watson,Theory of Bessel Functions(Cambridge University Press, New York, 1952), second edition, p. 181, Eq. (4).
4. R. H. Fowler,Statistical Mechanics(Cambridge University Press, New York 1955), second edition, p. 664. Equation (33) may be easily derived from Eq. (1857) of this reference. It should be kept in mind thatmas used here is the atomic, and not molecular, mass.
5. Hirschfelder, Curtiss, and Bird,Molecular Theory of Gases and Liquids(John Wiley & Sons, Inc., New York, 1954), p. 511.