An improved method for calculating critical temperatures and critical pressures in natural gas mixtures with up to nC11 hydrocarbonsMarvin Ricaurte, José M. Fernández and Alfredo ViloriaOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 74 (2019) 53DOI: https://doi.org/10.2516/ogst/2019027