1. ISO 9300:1990, Measurement of gas flow by means of critical flow venturi nozzles, International Organization for Standardization, Geneva, Switzerland, 1990.
2. J.G.M. Van der Grinten, P.M.A. Van der Kam, The EC nozzle transfer package: calibration of a flow standard for high pressure gas, in: Proceedings of the 2nd International Symposium on Fluid Flow Measurement, American Gas Association, Arlington, VA, 1990.
3. R.L. Stevens, Development and calibration of Boeing 18 kg/s airflow calibration transfer standard, in: Proceedings of 1st International Symposium on Fluid Flow Measurement, American Gas Association, Arlington, VA, 1986.
4. R.E. Smith, Jr., R.J. Matz, A theoretical method of determining discharge coefficients for venturis operating at critical flow conditions, Journal of Basic Engineering, Dec. (1962) 434–446.
5. Cross interference between critical flow venturi nozzles in a chamber;Paik;Fluid Measurement and Instrumentation ASME,1994