Emslie, R.H., M. Brooks, J. Lee-Thorp, A. Jolles, W. Smith, and N. Vermass. 2000. “Progress With Developing Statistical Models to Determine the Source and Species of Recovered Illegal Rhino Horn in Africa Based on Analyses of Its Chemistry”. Pachyderm 29 (1):56-57. https://pachydermjournal.org/index.php/pachyderm/article/view/1020.