Dey; Ramanathan Proceedings of the National Institute of Sciences of India, 1943 , vol. 9, p. 193,222 Full Text Show Details Koelsch Journal of the American Chemical Society, 1945 , vol. 67, p. 1718 Full Text View citing articles Show Details Rajagopalan Proceedings - Indian Academy of Sciences, Section A, 1941 , vol. 14, p. 126,128