1. Ellesmerian (!) petroleum system, North Slope of Alaska, U.S.A;Bird,1994
2. Bürkan, K., 1992. Geochemical evaluation of the Thrace Basin. In: Proceedings of the 9th Petroleum Congress of Turkey, 17–21 February, Ankara, Turkey, pp. 34–48.
3. Heath-Tyler (!) petroleum system in Central Montana, U.S.A;Cole,1994
4. Influence of the Istranca–Rhodope Massifs and strands of the North Anatolian Fault on the oil potential of Thrace basin;Coskun;Journal of Petroleum Science and Engineering,2000
5. Mandal-Ekofisk(!) petroleum system in the central graben of the North Sea;Conford,1994