1. The Polyhedral Metallaboranes Part II. Metallaborane Clusters with Eight Vertices and More
2. K. B. Gilbert , S. K.Boocock and S. G.Shore, in Comprehensive Organometallic Chemistry, ed. G. Wilkinson, E. W. Abel and F. G. A. Stone, Pergamon, New York, 1982, ch. 41, part 6
3. R. N. Grimes , in Comprehensive Organometallic Chemistry, ed. G. Wilkinson, E. W. Abel and F. G. A. Stone, Pergamon, New York, 1982, ch. 5.5, part 1
4. N. S. Hosmane and J. A.Maguire, d- and f-Block Metallacarboranes, in Comprehensive Organometallic Chemistry III, ed. R. H. Crabtree and D. M. P. Mingos, Elsevier, Oxford, 2006, ch. 3.05, vol. 3, p. 175