1. R. Gharbi, A.M. Elsharkawy, Neural network model for estimating the PVT properties of Middle East crude oils, in: Middle East Oil Show and Conference, Society of Petroleum Engineers, 1997.
2. D.L. Katz, Prediction of the shrinkage of crude oils, in: Drilling and Production Practice, American Petroleum Institute, 1942.
3. M. Standing, A pressure-volume-temperature correlation for mixtures of California oils and gases, in: Drilling and Production Practice, American Petroleum Institute, 1947.
4. Correlation of bottom hole sample data;Borden;J. Pet. Technol.,1950
5. F.M. Elam, Prediction of Bubble Point Pressures and Formation Volume Factors From Field Data, University of Texas, 1957.