1. ISO-5167-1. Measurement of fluid flow by means of pressure differential devices inserted in circular-cross section conduits running full. Ref. No. ISO-51671-1:2003(E). ISO; 2003.
2. The Joule–Thomson effect in natural gas flowrate measurements;Marić;Flow Measurement and Instrumentation,2005
3. ISO-5167-2. Measurement of fluid flow by means of pressure differential devices inserted in circular-cross section conduits running full—Part 2: Orifice plates. Ref. no. ISO-51671-2:2003(E). ISO; 2003.
4. Lemmon EW, Starling K. Speed of sound and related thermodynamic properties calculated from the AGA report no. 8 detail characterization method using a Helmholtz energy formulation. Orlando (FL): American Gas Association Conference and Biennial Exhibition; 2003.
5. A procedure for the calculation of the natural gas molar heat capacity, the isentropic exponent, and the Joule–Thomson coefficient;Marić;Flow Measurement and Instrumentation,2007