1. J. M. Burgers, Ch. III of the “Second Report on Viscosity and Plasticity”, Verhand. Kon. Nederl. Akad. v. Wetenschappen (1e sectie) Vol. 16, No. 4 (Amsterdam 1938), pp. 122–126 (resistance formulae), 145–153 (influence upon the effective viscosity), 168–181 (application to polystyrenes).
2. R. Signer und P. V. Tavel, Die Form und Grösse von Methylcellulose-Molekeln in Lösung, Helv. Chim. Acta 21, 535 (1938). R. Signer und P. V. Tavel, The subject also has been treated in the chapter contributed by R. Signer to Th. Svedberg and Kai O. Pedersen’s book “The Ultracentrifuge” (Oxford 1940), pp. 431–442, whereas cellulose acetates and some other linear high polymers are considered by E. O. Kraemer and J. B. Nichols, “The Ultracentrifuge” (Oxford 1940), pp. 416–431. — See also footnote 20) below.
3. A. Polson, Ueber die Berechnung der Gestalt von Proteinmolekülen, Kolloid-Zeitschr. 88, 51 (1939).
4. A. Polson, Ueber die Berechnung der Gestalt von Proteinmolekülen, Nature 137, 740 (1936).
5. Th. Svedberg and Kai O. Pedersen, The Ultracentrifuge (Oxford 1940), pp. 38–44.