1. Enerji ve Tabii Kaynaklar Bakanlığının Kömür Politikaları;Altaş,1993
2. Is Aegean extension a consequence of the westerly escape of Turkey?;Barka,1994
3. Reserves estimation: the challenge for the industry;Demirmen;J. Pet. Technol.,2007
4. The coal resources of the world: a summary;Dominian;Bull. Am. Geogr. Soc.,1915