1. New correlation for estimating the viscosity of undersaturated crude oils;Abdul-Majeed;J. Can. Pet. Technol.,1990
2. Viscosity correlation for dead, live and undersaturated crude oils;Al-Khafaji;J. Pet. Res.,1987
3. The coefficient of isothermal compressibility;Al-Marhoun,2003
4. Improved PVT correlations for UAE crude oils;Almehaideb,1997
5. API Technical Data Book — Petroleum Refining 1997. Washington DC 6th ed., (April,) Chap 11.