Sandhya, S and Padmavathy, S and Swaminathan, K and Subrahmanyam, Y V and Kaul, S N (2005) Microaerophilic–aerobic sequential batch reactor for treatment of azo dyes containing simulated wastewater. Process Biochemistry, 40. pp. 885-890.

Sivacoumar, R and Jayabalou, R and Subrahmanyam, Y V and Jothikumar, N and Swarnalatha, S (2001) Air Pollution in Stone Crushing Industry, and Associated Health Effects. Indian Journal of Environmental Health, 43 (4). pp. 169-173.

Sophia, Carmalin A and Swaminathan, K and Sandhya, S and Pachhade,, K and Subrahmanyam, Y V (2003) Decolorization and degradation of H-acid and other dyes using ferrous–hydrogen peroxide system. Chemosphere, 50 (5). pp. 619-623. ISSN 0045-6535