Reetz, M. T., Steinbach, R., Westermann, J., Urz, R., Wenderoth, B., & Peter, R. (1982).
Stereoselectivity and Relative Reactivity in the Reaction of Organotitanium and -zirconium Reagents with Carbonyl Compounds. Angewandte Chemie, International Edition in English, 21(S2),
257-268. doi:10.1002/anie.198202570.