1.Bakiewicz, W, D, 1982 Hydrogology of the Umm Er Radhuma aquifer, Saudi Arabia, with reference to fossil gradients. Quaternary Journal of Engineer Geology. London.
2. Beydoun Z.R,1992 Petroleum in the Zagrous basin: A late Tertiary foreland basin overprinted onto the outer edge of a vast hydrocarbon-rich Paleozoic-Mesozoic passive-margin shelf.
3. Danielli, H,M.S 1988 The Eocene Reservoir of Wafra Field, Kuwait/Saudi Arabia partitioned Neutral Zone. Giant Oil and Gas Fields. SEOM Core Workshop12,2,P119
