1. Fluid mechanics;White,1986
2. Aziz K. Ways to calculate gas flow and static head. Petroleum Engineer 34–5 (Series from November 1962–September 1963); 1947.
3. Starling KE, Savage JL. Compressibility factor of natural gas and other related hydrocarbon gases. AGA Transmission Measurement Committee Report No. 8; 1994.
4. A new two constants equation of state;Peng;Industrial and Engineering Chemistry Fundamentals,1976
5. Lucas K. Berechnungsmethoden fur stoffeigenschaften. Verein Deutschen Ingenieure, Abschnitt DA; 1984.