Acikgoz, M., Franca, F., and Lahey Jr, R.T., An experimental study of three-phase flow regimes. Int. J. Multiphase Flow 18( 3), 327-336 ( 1992).

Adewmi, M.A., and Bukacek, R.F., Two-phase pressure drop in horizontal pipelines. J. Pipelines 5, 1-14 ( 1985).

Amdal, J., et al., "Handbook of Multiphase Metering." Produced for The Norwegian Society for Oil and Gas Measurement, Norway ( 2001).

Ansari, A.M., Sylvester, A.D., Sarica, C., Shoham, O., and Brill, J.P., A comprehensive mechanistic model for upward two-phase flow in wellbores. SPE Prod. Facilit. J. 143-152 ( May 1994).

API, "Computational Pipeline Monitoring." API Publication 1130, 17, American Petroleum Institute, TX ( 1995a).

API, "Evaluation Methodology for Software Based Leak Detection Systems." API Publication 1155, 93, American Petroleum Institute, TX ( 1995b).

API RP 14E, "Recommended Practice for Design and Installation of Offshore Production Platform Piping Systems", 5th Ed., p. 23. American Petroleum Institute, Washington, DC ( 1991).

Asante, B., "Two-Phase Flow: Accounting for the Presence of Liquids in Gas Pipeline Simulation." Paper presented at 34th PSIG Annual Meeting, Portland, Oregon ( Oct. 23-25, 2002).

AsphWax's Flow Assurance course, "Fluid Characterization for Flow Assurance." AsphWax Inc., Stafford, TX ( 2003).

Ayala, F.L., and Adewumi, M.A., Low-liquid loading multiphase flow in natural gas pipelines. ASME J. of Energy Res. Technol. 125,