Singh, Shiv, and A. Singh. “Thermography for Performance Optimisation of Spark-Ignition Engine Due to Soot Formation in Exhaust Pipe”. Defence Science Journal 61, no. 1 (December 30, 2010): 12-18. Accessed April 20, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/163.