"Braunkohle"@de . "فحم الليغنيت"@ar . "Brown coal"@en . "Lignite"@fr . "Lignite"@it . "natürliches bitumisches Material"@de . . . . "coal"@en . . "charbon"@fr . . "carbone"@it . . "Kohle"@de . . "فحم"@ar . . "炭精"@zh . . . "http://archwort.dainst.org/thesaurus/de/vocab/?tema=4726"@de . "http://vocab.getty.edu/aat/300015149 (coal)"@en .