Germanium

http://en.wikipedia.org/wiki/Germanium (Rank: 555155)

http://www.chemicalelements.com/elements/ge.html (Rank: 1318797)

http://www.lenntech.com/Periodic-chart-elements/Ge-en.htm (Rank: 1748732)

http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Disc-of-Germanium.html (Rank: 1946210)

http://minerals.usgs.gov/minerals/pubs/commodity/germanium/ (Rank: 1981955)

http://education.jlab.org/itselemental/ele032.html (Rank: 2143043)

http://periodic.lanl.gov/elements/32.html (Rank: 2161149)

http://library.lanl.gov/cgi-bin/getfile?rc000036.pdf (Rank: 2161149)

http://environmentalchemistry.com/yogi/periodic/Ge.html (Rank: 2306732)

http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/32.html (Rank: 2824277)

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