- 1002/anie.201604670. PMID 27273799. Schroeder, Melanie,
Eigenschaften von
borreichen Boriden und Scandium-Aluminium-Oxid-Carbiden (in German), p. 139, archived...
- B(−5) has been
observed in Al3BC, see
Schroeder M. "Eigenschaften von
borreichen Boriden und Scandium-Aluminium-Oxid-Carbiden" (in German). p. 139. B(−1)...