Moghadazadeh Zahra and Towfighi Jafar and Mofarahi Masoud, Study of a Four-Bed Pressure Swing Adsorption for Oxygen Separation from Air. journal = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2008, vol. 23(11). 341 - 345 [viewed 24 September 2024]. Available from: https://publications.waset.org/pdf/15715.