Sun, B., W. Ge, Y. Wang, C. Tan, and B. Li. “Research on Flow Characteristics of Electronically Controlled Injection Device Developed for High-Power Natural Gas Engines”. Journal of Engineering and Technological Sciences, vol. 51, no. 4, Aug. 2019, pp. 443-62, doi:10.5614/j.eng.technol.sci.2019.51.4.1.