1. For the many primary sources, consult the references in the pertinent volumes of the Boron Compound series of theGmelin Handbook of Inorganic and OrganometallicChemistry. In particular pp 249−288 of theGmelin Handbook of Inorganic Chemistry; Springer-Verlag: Berlin, FRG, 1974, Borverbindungen 2, pp 1−288. Also, seeGmelinHandbook of Inorganic Chemistry; Springer-Verlag: Berlin, FRG, 1975, Borverbindungen 6, pp 1−150; 1977, Borverbindungen 11, pp 1−207; 1977, Borverbindungen 12, pp 1−306; 1977, Borverbindungen 14, pp 149−233; 1977, Borverbindungen 15; 1977, Borverbindungen 18; 1978, Borverbindungen 20, pp 1−239; 1980, Boron Compounds, 1st Suppl.Vol. 1, pp 84−108; 1980, Boron Compounds, 1st Suppl.Vol. 3, pp 105−256; 1983, Boron Compounds, 2nd Suppl., Vol. 1, pp 84−204; 1982, Boron Compounds, 2nd Suppl., Vol. 2, pp 223−335; 1987, Boron Compounds, 3rd Suppl., Vol. 1, pp 90−240; 1988, Boron Compounds, 3rd Suppl., Vol. 4, pp 153−254; 1993, Boron Compounds, 4th Suppl., Vol. 4, pp 178−321.
2. Chemical studies of closo-1,5-dicarbapentaborane(5)
3. Synthesis of zwitterion nido-carborane from 1,6-dicarba-closo-hexaborane(6) and trimethylamine