Craighead Tennant, W., Rodney F. C. Claridge, Catherine A. McCammon, Alex I. Smirnov, and Russell J. Becke. "Structural studies of New Zealand pounamu using Mössbauer spectroscopy and electron paramagnetic resonance." Journal of the Royal Society of New Zealand 35/4 (2005): 385-398.

Craighead Tennant, W., Rodney F. C. Claridge, Catherine A. McCammon, Alex I. Smirnov, and Russell J. Becke. "Structural studies of New Zealand pounamu using Mössbauer spectroscopy and electron paramagnetic resonance." Journal of the Royal Society of New Zealand 35/4 (2005): 385-398.