Meija J., Prohaska T., Coplen T. B. et al. Atomic weights of the elements 2005 (IUPAC Technical Report) // Pure and Applied Chemistry — IUPAC, 2016. — Vol. 88, Iss. 3. — ISSN 0033-4545; 1365-3075; 0074-3925 — doi:10.1515/PAC-2015-0305<a href='https://wikidata.org/wiki/Track:Q2425378'></a><a href='https://wikidata.org/wiki/Track:Q33438'></a><a href='https://wikidata.org/wiki/Track:Q28653639'></a><a href='https://wikidata.org/wiki/Track:Q55593869'></a><a href='https://wikidata.org/wiki/Track:Q45730822'></a><a href='https://wikidata.org/wiki/Track:Q15699424'></a><a href='https://wikidata.org/wiki/Track:Q116478786'></a>