1. Some trace elements distribution in calcalcaline volcanic rocks from Kaloticho-Chaintou-Kotili and Pharasino areas (North Greece);Alfieris;Geol. Rhodopica,1990
2. Gold mineralization associated with carbonate-hosted polymetallic gossans in the area of Kavala;Arvanitidis;Geol. Rhodopica,1989
3. Geological map of Greece, scale 1:500.000;Bornovas,1983
4. Drama lignite deposit: Geology-exploration-resources;Broussoulis;IGME, intern. rep.,1991
5. The petrology of Greek brown coals;Cameron;Int. J. Coal Geol.,1984