1. I. K. Ravichandra Rao, Growth, obsolescence, collaboration and circulation statistics, In:Ravichandra Rao, I. K., (Ed.)Workshop on Informetrics and Scientometrics, 16–19 March 1998, Documentation Trianing and Research Center, Bangalore, 1998.
2. Derek de Solla Price,Science since Babylon. Enlarged edition, New Haven; Yale University Press, 1975.
3. Derek de Solla Price,Little science, big science, New York: Columbia University Press, 1966.
4. Dieter Wolfram, Clara M. Chu, Xin Liu, Growth of knowledge: Bibliometric analysis using online databases data, In:Egghe, L. andRousseau, R. (Eds)Informetrics, 89/90, Amsterdam; Elsevier, 1990, 355–372.
5. L. Egghe, I. K. Ravichandra Rao, Classification of growth models based on growth rates and its applications,Scientometrics, 25 (1992), 5–46.