Reetz, M. T.; Westermann, J.; Steinbach, R.: Direct geminal dimethylation of ketones using dimethyltitanium dichloride. Journal of the Chemical Society, Chemical Communications 1981 (5), pp. 237 - 239 (1981)

Thiel, W.; Weiner, P.; Stewart, J.; Dewar, M. J. S.: MNDOC: Modified Neglect of Diatomic Overlap. QCPE Bulletin 1, pp. 73 - 74 (1981)