1. Bhagyalakshmy, S.1990. Ragas in Carnatic Music. Trivandrum: C. B. H. Publications.
2. Catlin, Amy Ruth.1980. "Variability and Change in Three Karnataka Kriti-s: A Study of South Indian Classical Music."Ph.D. diss., Brown University.
3. Nelson, David Paul.1991. " 'Mrdangam' Mind: The 'Tani Avartanam' in Karnatak Music."Ph.D. diss., Wesleyan University.
4. Kaufmann, Walter.1976. The Ragas of South India: A Catalogue of Scalar Material. Bloomington: Indiana University Press.
5. Kumar, K. and Stackhouse, J.1987. Classical Music of South India: Karnatic Tradition in Western Notation. Stuyvesant, N.Y.: Pendragon.