@article {Iordanidis:April 2003:0166-5162:57, author = "Iordanidis A.", author = "Georgakopoulos A.", title = "Pliocene lignites from Apofysis mine, Amynteo basin, Northwestern Greece: petrographical characteristics and depositional environment", journal = "International Journal of Coal Geology", volume = "54", year = "April 2003", abstract = "", pages = "57-68(12)", url = "http://www.ingentaconnect.com/content/els/01665162/2003/00000054/00000001/art00019" doi = "doi:10.1016/S0166-5162(03)00019-3 " }