1. Nernst, W., and E. H. Riesenfeld, 1902: Ann. Phys.8, 600.
2. Riesenfeld, E. H., 1902: Ibid.8, 609, 616.
3. Haber, F., 1908: Ann. Phys.26, 927.
4. Haber, F., and Z. Kiemensiewicz, 1909: Z. phys. Chem.67, 385.
5. Beutner, R., 1933: Physical Chemistry of Living Tissues and Life Processes, Baltimore: Williams and Wilkins Company; in: Medical Physics (O. Gasser, Editor), 1944, p. 35?88, Chicago: Year Book Publishers.