1. Scott Blair, G. W., Nature, 183, 613 (1959).
2. Casson, N., Chap. 5 of “The Rheology of Disperse Systems”, ed. C. C. Mill. (Pergamon Press, London, 1959).
3. Buckingham, E., Proc. Amer. Soc. Test. Mater., 21, 1154 (1921).
4. Reiner, M., Kolloidzschr., 39, 80 (1926).