1. Canada, (Canada-Newfoundland and Labrador Offshore Petroleum Board and Canada – Nova Scotia Offshore Petroleum Board): Measurement Guidelines under the Newfoundland and Labrador and Nova Scotia Offshore Areas Drilling and Production Regulations. September, 2011.
2. CPA: 〈http://flowconditioner.com/flow-conditioners〉.
3. Ghana, (Petroleum Commission of Ghana): Petroleum (Exploration and Production) (Measurement) Regulations, Accra, Ghana, November, 2016.
4. Computational Methods for Computational Fluid Dynamics;Firziger,2002
5. CFD simulation and installation effects for ultrasonic flow meters in pipes with bends;Hallanger;Int. J. Appl. Mech. Engine.,2002