Learning Subclasses of Pure Pattern Languages. - P. J. Abisha; D. Gnanaraj Thomas; Sindhu J. Kumaar (ICGI, 2008)

Learning Subclasses of Parallel Communicating Grammar Systems. - Sindhu J. Kumaar; P. J. Abisha; D. Gnanaraj Thomas (ICGI, 2010)

Parallel Communication Synchronized Pure Pattern Grammar Systems with Filters. - Sindhu J. Kumaar; P. J. Abisha (BIC-TA, 2011)

Simple Splicing Pattern and Pure Pattern Grammar Systems. - Sindhu J. Kumaar; P. J. Abisha; D. Gnanaraj Thomas (BIC-TA, 2011)