* Atomic Weights of the Elements{{cite 2001, [journal|url=http://www.iupac.org/publications/pac/2003/7508/7508x1107.html|title=Atomic Pureweights Appl.of Chem.the elements 2001 75(8),IUPAC Technical Report)|volume=75|issue=8|page=1107-1122|website=iupac.org|publisher=Department of Applied Physics, 2003].Curtin RetrievedUniversity [[Juneof 30]]Technology|place=Perth, [[2005]]Australia Barat|first=R. D.|last=Loss|date=2003|accessdate=30 Juni 2005|language=en}} Berat atom dengan nomor atom 1-109 diambil dari sumber ini.
* [{{cite news|url=http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html|title=IUPAC Standard Atomic Weights Revised]|website=iupac.org|date=31 Oktober (2005)|accessdate=30 Juni 2005|language=en|archiveurl=https://web.archive.org/web/20051229220327/http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html|archivedate=31 Juli 2019}}
* [{{cite web|url=http://www.webelements.com/|title=The WebElementsperiodic Periodictable Table].of Retrieved [[Junethe elements|website=webelements.com|accessdate=30]],[[Juni 2005]].|language=en}} Berat atom dengan nomor atom 110-116 diambil dari sumber ini.