Vashist, Devendra. “Development of a Novel Spiral Duct Particulate Matter Separator for Internal Combustion Engines”. Translated byM. Bindra. International Journal of Automotive and Mechanical Engineering 19, no. 3 (October 6, 2022): 9993–10001. Accessed April 3, 2025. https://journal.ump.edu.my/ijame/article/view/5980.