1. Faraday, M.: "Experimental Researches in Electricity", R and J.E. Taylor, London, 1939; see also "Faraday’s Diaries 1820–1862", volume II, H.G. Bell and sons, London (1932), the entry for 21st February 1833.
2. Faraday, M.: "Experimental Researches in Electricity", R and J.E. Taylor, London, 1939; see also "Faraday’s Diaries 1820–1862", volume II, H.G. Bell and sons, London (1932), the entry for 19th February 1833.
3. Tubandt, C., Lorentz, E.: Z. Phys. Chem. 87 (1913) 513.
4. Croatto, U., Mayer, A.: Gazz. Chim. Ital. 73 (1943) 199.
5. Hund, F.: Z. Phys. Chem. (Leipzig) 199 (1952) 142.