*Kamal Abu-Dari, Kenneth N. Raymond, Derek P. Freyberg (1979): "The bihydroxide (H3O2−)anion. A very short, symmetric hydrogen bond". J. Am. Chem. Soc. 101 (13): 3688–3689. doi:10.1021/ja00507a059 | *Kamal Abu-Dari, Kenneth N. Raymond, Derek P. Freyberg (1979): "The bihydroxide (H3O2−)anion. A very short, symmetric hydrogen bond". J. Am. Chem. Soc. 101 (13): 3688–3689. doi:10.1021/ja00507a059 |