1. Fluid meters: Their theory and application;Bean,1971
2. Fluent 6.1 user’s guide,2003
3. Engineering thermofluids;Massoud,2005
4. PN-EN ISO 5167-1, Measurement of fluid flow by means of pressure differential devices inserted in circular cross–section conduits running full–part 1: General principles and requirements 2004
5. PN-EN 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. 2004