Terblanche, C J 13C spin-lattice relaxation in natural diamond: Zeeman relaxation in fields of 500 to 5000 G at 300 K due to fixed paramagnetic nitrogen defects. [electronic resource] - Solid state nuclear magnetic resonance - 107-29 p. digital Publication Type: Journal Article ISSN: 0926-2040 Standard No.: 10.1006/snmr.2001.0025 doi