🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTürkçeРусский한국어EntityQ1190563· pop 13· linked from 15 articlesXHTML Friends NetworkHTML microformat developed in 2003Wikidata factsOfficial websitegmpg.org/xfnSources (1)wikidata.orgvia Wikidata · CC0Available in 13 languagesEspañolFrançaisDeutschРусскийPortuguêsItalianoCzechDanishLatvianPiedmonteseTürkçeConnectionsHTMLEntityInternational Standard Book NumberEntityCategoriesMicroformatsSemantic HTMLSocial networking servicesXML-based standards