See also:

• Science: Chemistry: Elements: Metalloids  (0)

• ChemGlobe: Germanium - Electronic, thermal, and steric data along with an isotope table.
• ChemicalElements.com: Germanium - Basic information, atomic structure, and isotopes.
• Discovery of Germanium - Article by Clemens Winkler.
• EnvironmentalChemistry.com: Germanium - Atomic structure, chemical and physical properties, and table of nuclides.
• It's Elemental: Germanium - Basic physical and historical information.
• LANL: Germanium - History, sources, uses, and properties.
• Lenntech: Germanium - Physical data, chemical properties, health and environmental effects.
• USGS Minerals Information: Germanium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
• Wikipedia: Germanium - Properties of the element, including its history, applications, and characteristics.

• Radiochemistry of Germanium - Full text of the monograph by Jacob A. Marinsky (University of Buffalo, Dept. of Chemistry, Buffalo, New York). [PDF] (July, 1961)