Oil Possibilities in the Sedimentary Basins of Turkey

The Carboniferous Megaspores From the Zonguldak And Amasra Coal Basin and Their Stratigraphical Values

Yaşar ERGÖNÜL

Die Kieselbildungen Des Simischen Magmatismus

Geological Surveys

The Orogenic Evolution of Turkey

New Carboniferous Megaspores From the Zonguldak And Amasra Coal Basin

Kazım YAHŞIMAN

Über Eine Pra-Herzynische Faltungsphase Im Kaz-Dağ Kristallin

Permian Megspores From Hazru (Diyarbakır)

Kâzım YAHŞIMAN, Yaşar ERGÖNÜL