Oskay, R. G.

• Τόμ. 47, Αρ. 2 (2013) - Άρθρα
  Maturity of dispersed organic matter in bituminous formations of the Ionian zone (Epirus region, NW Greece)
  Περίληψη  PDF
• Τόμ. 47, Αρ. 4 (2013) - Άρθρα
  Coal deposits of Turkey: properties and importance of energy demands
  Περίληψη  PDF