Kerk, G. J. M. van der; Noltes, J. G. J. Appl. Chem. (London), 1959 , vol. 9, p. 113 - 120 Noltes, J. G.; Kerk, G. J. M. van der Functionally Substituted Organotin Compounds, Tin ResearechInstitute, Greenford 1958, S. 1/128