🌐EnglishEnglishEspañolРусский한국어中文EntityQ4860307· pop 5· linked from 8 articlesBare masstype of mass in quantum field theoryAvailable in 5 languagesEspañolРусскийCatalan한국어via Wikidata sitelinks · CC0Connectionsquantum mechanicsEntityInternational Standard Book NumberEntityCategoriesMassQuantum field theory