1. Orifice metering of natural gas;ANSI/API 2530,1985
2. The effect of disturbed flow conditions on the discharge coefficient of orifice plates;Irving;Int. J. Heat Fluid Flow,1979
3. Effects of upstream bends and valves on orifice plate distributions and discharge coefficients;Martin,1982
4. The decay of swirling gas flow in long pipes;McManus,1985
5. Kinghorn, F. C., McHugh, A. and Dyet, W. D. ‘The use of e'toile flow straighteners with orifice plates in swirling flow’, ASME Paper, 79-WA/FM-7, 1–9