Everest, David A.; Terrey, Henry (1950). “467. Germanous oxide and sulphide”. Journal of the Chemical Society (Resumed): 2282. doi:10.1039/jr9500002282. ISSN0368-1769.
Babich, Olga A.; Ghosh, Manik C.; Gould, Edwin S. (2000). “Preparation of aqueous solutions of hypovalent germanium; reactions involving germanium-(ii) and -(iii)”. Chemical Communications (11): 907–908. doi:10.1039/b000401o. ISSN1359-7345.
Yang, Duck J.; Jolly, William L.; O'Keefe, Anthony. (1977). “Conversion of hydrous germanium(II) oxide to germynyl sesquioxide, (HGe)2O3”. Inorganic Chemistry16 (11): 2980–2982. doi:10.1021/ic50177a070. ISSN0020-1669.
Everest, David A.; Terrey, Henry (1950). “467. Germanous oxide and sulphide”. Journal of the Chemical Society (Resumed): 2282. doi:10.1039/jr9500002282. ISSN0368-1769.
Babich, Olga A.; Ghosh, Manik C.; Gould, Edwin S. (2000). “Preparation of aqueous solutions of hypovalent germanium; reactions involving germanium-(ii) and -(iii)”. Chemical Communications (11): 907–908. doi:10.1039/b000401o. ISSN1359-7345.
Yang, Duck J.; Jolly, William L.; O'Keefe, Anthony. (1977). “Conversion of hydrous germanium(II) oxide to germynyl sesquioxide, (HGe)2O3”. Inorganic Chemistry16 (11): 2980–2982. doi:10.1021/ic50177a070. ISSN0020-1669.