Ionita, Claudia, Elena-Eugenia Vasilescu, Camelia Stanciu, Horatiu Pop, and Lucretia Popa. “Optimization of the Air Separation Process in Single Stage Cryogenic Units ”. Technium: Romanian Journal of Applied Sciences and Technology 14 (October 9, 2023): 14–17. Accessed April 17, 2026. https://techniumscience.com.techniumscience.pluscommunication.eu/index.php/technium/article/view/9666.