Huova M, Laamanen A, Linjama M. ENERGY EFFICIENCY OF THREE-CHAMBER CYLINDER WITH DIGITAL VALVE SYSTEM. TJFP [Internet]. 2010 Nov. 1 [cited 2024 Aug. 14];11(3):15-22. Available from: https://journals.riverpublishers.com/index.php/IJFP/article/view/477