1. 2) ISO 6358-2 : Pneumatic fluid power - Determination of flow-rate characteristics of components using compressible fluids - Part 2 : Alternative test methods, (2013)
2. 5) K. Kawashima, Y. Ishii, T. Funaki, and T. Kagawa : Determination of Flow Rate Characteristics of Pneumatic Solenoid Valves Using an Isothermal Chamber, Trans. ASME Journal of Fluids Engineering, Vol. 126, P273-279, (2004)