Pal’yanov, Y., V. Gusev, I. N. Kupriyanov, Y. Borzdov, A. Sokol, A. Khokhriakov, and N. Sobolev. “The Effect of Growth Rate on Formation of Nitrogenous Defects in Diamond”. International Kimberlite Conference: Extended Abstracts, Vol. 7, no. 1, Apr. 1998, pp. 649-51, doi:10.29173/ikc2834.