R. S. Krishnan (July 1946). "The Second Order Raman Spectrum on Diamond". Proc. Indian Acad. Sci. 24 (1): 25–32. doi:10.1007/BF03170737. S2CID91228159.
R. S. Krishnan (July 1946). "The Second Order Raman Spectrum on Diamond". Proc. Indian Acad. Sci. 24 (1): 25–32. doi:10.1007/BF03170737. S2CID91228159.