Structural Chemistry of Boron and Silicon [electronic resource] / edited by F. L. Boschke, M. J. S. Dewar, J. D. Dunitz, K. Hafner, E. Heilbronner, S. Ito, J. -M. Lehn, K. Niedenzu, K. N. Raymond, C. W. Rees, F. Vögtle, G. Wittig
Pyrazole derivatives of boron -- A survey of structural types of borates and polyborates -- Molecular and electronic structure of penta- and hexacoordinate silicon compounds.