Resende, Tiago Alceu, Júlio César Costa Campos, José Antônio Silva, Gustavo Rodrigues Souza, Marco Aurélio Cunha Alves, and Alexsander Pires Rezende. 2021. “Evaluation on the Influence of Piping Geometry and Valve Opening Time on an Internal Combustion Engine”. Revista Principia 1 (53): 112-23. https://doi.org/10.18265/1517-0306a2020v1n53p112-123.