De Corte, K.; Cartigny, P.; Shatsky, V.; De Paepe, P.; Sobolev, N.; Javoy, M. Microdiamonds from UHP Metamorphic Rocks of the Kokchetav Massif, Northern Kazakhstan: FTIR Spectroscopy, C & N Isotopes and Morphology. IKC abstracts 1998, 7, 184-186.