1. Neelakantam and SitaramanProc. Ind. Acad. Sci., 1945,21 A, 45.
2. BowenTransactions of the Faraday Society, 1939,35, part I.
3. PringsheimIbid..
4. Seshadriet al. Proc. Ind. Acad. Sci., 1940,12 A, 375; Seshadriet al., Ibid., Proc. Ind. Acad. Sci., 1941,13 A, 316. Seshadriet al., Ibid., Proc. Ind. Acad. Sci., 1942,16 A, 68.
5. Levshin and VinokurovChem. Abs., 1937, 2100.