1. Cheng, K., Xiong, Y., and Zeng, X., 2002, Research on coal-derived hydrocarbon in Turpan-Hami Basin. Acta Petroleum Sinica, 23, 13–17.
2. Ekweozor, C.M. and Daukoru, E.M., 1994, Northern Delta depobelt of the Akata — Agbada (1) petroleum system, Niger Delta, Nigeria. In: Magoon, L.B. and Dow, W.G. (eds.), The Petroleum System from source to trap. American Association of Petroleum Geologist memoir, 60, 599–613.
3. Eneogwe, C. and Ekundayo, O., 2003, Geochemical correlation of crude oils in the NW Niger Delta, Nigeria. Journal of Petroleum Geology, 26, 95–103.
4. Halpern, H.I., 1995, Development and applications of light hydrocarbon-based star diagrams. American Association of Petroleum Geologists Bulletin, 79, 801–815.
5. Hunt, J.M., 1996, Petroleum Geochemistry and Geology. 2nd edition, Freeman, New York, 743 p.