H. Braunschweig, C. Kollann, F.
Seeler: Transition Metal Borylene Complexes.- D.L. Kays, S.
Aldridge: Transition Metal Boryl Complexes.- Z.
Lin: Transition Metal Sigma-Borane Complexes.- M. Besora, A. Lledَs: Coordination Modes and Hydride Exchange Dynamics in Transition Metal Tetrahydroborate Complexes