Longuet-Higgins, Hugh Christopher; Roberts, M. de V. (June 1955). «The electronic structure of an icosahedron of boron atoms». Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. 230 (1180): 110–119. Bibcode:1955RSPSA.230..110L. doi:10.1098/rspa.1955.0115Verifique data em: |data= (ajuda)
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ATKINS P. W., OVERTON, T.; ROURKE, J.; WELLER, M.; ARMSTRONG, F.A. Química Inorgânica. Porto Alegre: Bookman, 2017. p. 313. link.
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Longuet-Higgins, Hugh Christopher; Roberts, M. de V. (June 1955). «The electronic structure of an icosahedron of boron atoms». Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. 230 (1180): 110–119. Bibcode:1955RSPSA.230..110L. doi:10.1098/rspa.1955.0115Verifique data em: |data= (ajuda)