🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng Việt한국어日本語EntityQ561517· pop 7· linked from 1 articlesBTEWikimedia disambiguation pageAvailable in 7 languagesFrançaisDeutsch日本語ItalianoCatalan한국어via Wikidata sitelinks · CC0Connectionshearing aidEntityBoltzmann equationEntity