1. G. G. Stokes, Phil. Trans.1868; LordRayleigh, Theory of Sound2, § 323 ff.
2. LordRayleigh, Theory of Sound2, § 327.
3. NachH. Riegger, Wiss. Veröff. a. d. Siemens-Konzern3 II, 68f. (1924).
4. H. Fletcher, Physic. Rev.23, 430 (1924).
5. H. Backhaus undF. Trendelenburg, Z. techn. Physik7, 630 (1926).