Domingos, A. J. P.; Howell, J. A. S.; Johnson, B. F. G.; Lewis, J. Reagents for the Synthesis of η-Diene Complexes of Tricarbonnyliron and Tricarbonylruthenium. Inorg. Synth. 1990, 28: 52–55. doi:10.1002/9780470132593.ch11.
Howell, J. A. S.; Kola, J. C.; Dixon, D. T.; Burkinshaw, P. M.; Thomas, M. J. The kinetics and mechanism of diene exchange in (η4-enone)Fe(CO)2L complexes (L = phosphine, phosphite). Journal of Organometallic Chemistry. 1984, 266: 83–96. doi:10.1016/0022-328X(84)80113-8.