1. S. A. Babushkina, Z. A. Altukhova, and A. I. Zaitsev, Rudy Met., No. 5, 63–67 (2012).
2. O. A. Bogatikov, V. A. Kononova, Yu. Yu. Golubeva, et al., Geochem. Int. 42 (9), 799–822 (2004).
3. E. A. Chernysheva and S. I. Kostrovitskii, Geochem. Int. 36 (12), 1100–1108 (1998).
4. A. I. Zaitsev and A. P. Smelov, Isotopic Geochronology of Kimberlite Formation Rocks in Yakutian Province (Diamond and Precious Metal Geology Inst. Siberian Br. Russ. Acad. Sci., Yakutsk, 2010) [in Russian].
5. W. F. McDonough and S. S. Sun, Chem. Geol. 120, 223–253 (1995).