L. Solovjeva, L. Dneprovskaya, M. Maslovskaya, and S. Brandt, “O, C and Sr Isotopic Composition of Calcites in Garnet Megacrysts and Carbonatizated Granulitic Xenoliths from the Udachnaya Kimberlite Pipe, Yakutia”, IKC abstracts, vol. 5, pp. 558–559, Feb. 1991.