1. Standard Method for Measurement of Proportion of Oil in Liquid Refrigerant;ASHRAE Standard 41.4-1984,1984
2. Real-time determination of lubricant concentrations dissolved in alternative refrigerants;Cavestri;ASHRAE Trans.,1999
3. Properties of oil–refrigerant liquid mixtures with applications to oil concentration measurement: Part I – thermophysical and transport properties;Baustian;ASHRAE Trans.,1986
4. Measuring the concentration of a flowing oil–refrigerant mixture with a bypass viscometer;Baustian;ASHRAE Trans.,1988
5. Measuring the concentration of a flowing oil–refrigerant mixture with an acoustic velocity sensor;Baustian;ASHRAE Trans.,1988