Assessment of undiscovered gas resources of the Thrace Basin, Turkey, 2015 - Schenk, Christopher; Klett, Timothy R.; Tennyson, Marilyn E.; Pitman, Janet; Gaswirth, Stephanie B.; Le, Phuong A.; Leathers-Miller, Heidi; Mercier, Tracey; Marra, Kristen; Hawkins, Sarah; Brownfield, Michael (Fact Sheet, 2016)