KAMYAB, Mohammad Hassan; PETRUDI, Amin Moslemi; SCURTU, Ionut Cristian. One-Dimensional Analysis and Modeling of the Xu 7 Engine Due to Changes in Valve Timing to Improve Engine Performance. Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 2, n. 4, p. 46–53, 2020. DOI: 10.47577/technium.v2i4.1036. Disponível em: https://www.techniumscience.com.techniumscience.pluscommunication.eu/index.php/technium/article/view/1036. Acesso em: 17 apr. 2026.