Nuclear magnetic resonance study of ultrananocrystalline diamonds A. M. Panich, A. I. Shames, H.-M. Vieth, E. Ōsawa, M. Takahashi and A. Ya. Vul' Eur. Phys. J. B, 52 3 (2006) 397-402 Published online: 02 August 2006 DOI: 10.1140/epjb/e2006-00314-7