Choupo Wankam Gervé, and Tchotang Théodore. “Establishment of an Analytical Model for Determining Leakage Surfaces in an External Tooth Spur Gear”. Global Journals of Research in Engineering 22, no. A2 (August 30, 2022): 43–60. Accessed May 20, 2024. https://engineeringresearch.org/index.php/GJRE/article/view/101557.