Tree Replacement and Public Key Cryptosystem. - S. C. Samuel; D. Gnanaraj Thomas; P. J. Abisha; K. G. Subramanian 001 (INDOCRYPT, 2002)

Pattern Generation and Stochastic Table Hexagonal Grammars. - D. Gnanaraj Thomas; S. C. Samuel; P. J. Abisha (IICAI, 2007)