Heat-pump system on natural refrigerant CO2Kudrat Karimov, Asatilla Karabayev, Taxir Nurmatov, Abdullakhuja Norkhujayev and Mirolim AbdullayevE3S Web Conf., 461 (2023) 01078DOI: https://doi.org/10.1051/e3sconf/202346101078
