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WikiPedia: Rutheni http://rsc.anu.edu.au/research/hill.php http://www.brightsurf.com/news/headlines/32014/Nan... http://www.springerlink.com/content/n265k571444pw7... http://www.webelements.com/webelements/elements/te... http://www-d0.fnal.gov/hardware/cal/lvps_info/engi... http://periodic.lanl.gov/elements/44.html http://www.osti.gov/energycitations/product.biblio... http://openmopac.net/data_normal/ruthenium(i)%20fl... http://www.americanscientist.org/template/AssetDet... http://education.jlab.org/itselemental/ele044.html