1. See T. Svedberg and K. O. Pederson, The Ultracentrifuge (Clarendon Press, Oxford, 1940), p. 5.
2. H. K. Schachman and M. A. Lauffer, J. Am. Chem. Soc. 72, 4266 (1950).JACSAT0002-7863
3. A. G. Ogston, Trans. Faraday Soc. 50, 1363 (1954).TFSOA40014-7672
4. de Groot, Mazur, and Overbeek, J. Chem. Phys. 20, 1825 (1950).JCPSA60021-9606
5. Hooyman, Holtan, Mazur, and de Groot, Physica 19, 1095 (1953).