Ladrón de Guevara Pierre, Rafael, and Celestino Oro Ortiz. “Reconversion Study of the R-22 Refrigerant in the Centralized Climate System of the Oriente Pharmaceutical Laboratory”. Chemical Technology 40, no. 3 (October 13, 2020): 498-511. Accessed April 19, 2024. https://tecnologiaquimica.uo.edu.cu/index.php/tq/article/view/5165.