SINGH, S. S.; SINGH, A. K. Thermography for Performance Optimisation of Spark-ignition Engine due to Soot Formation in Exhaust Pipe. Defence Science Journal, [S. l.], v. 61, n. 1, p. 12–18, 2010. DOI: 10.14429/dsj.61.163. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/163. Acesso em: 6 jul. 2025.