NEAGOIE, Georgian Sergiu, and Ionel SIMION. “LPG, ALTERNATIVE FUEL FOR INTERNAL COMBUSTION ENGINES”. Journal of Industrial Design and Engineering Graphics 13, no. 2 (March 16, 2019): 17-22. Accessed October 17, 2019. http://sorging.ro/jideg/index.php/jid/article/view/411.