Naresh, R., and S. Sundar. “A Nonlinear Dynamical Model to Study the Removal of Gaseous and Particulate Pollutants in a Rain System”. Nonlinear Analysis: Modelling and Control 12, no. 2 (April 25, 2007): 227–243. Accessed May 17, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/14713.