1. 2,4,6-Triphenylphosphabenzol
2. P. Le Floch , in Phosphorus-Carbon Heterocyclic Chemistry: The Rise of a New Domain, ed. F. Mathey, Pergamon, Palaiseau, 2001, pp. 485–533
3. G. Märkl , in Multiple Bonds and Low Coordination in Phosphorus Chemistry, ed. M. Regitz and O. J. Scherer, Thieme Verlag, Stuttgart, 1990, p. 220
4. Phosphorus Heterocycles: From Laboratory Curiosities to Ligands in Highly Efficient Catalysts