function getCriticalMolarVolume extends MultiPhaseMixture.Icons.ExternalFunction; input Modelica.SIunits.MassFraction X[nC] = reference_X "Mass fraction"; input MultiPhaseMixture.Templates.ExternalObjects.ExternalMediaObject eo; output Modelica.SIunits.MolarVolume vc "Critical molar volume"; end getCriticalMolarVolume;