Merwe, N.J. van der

Merwe, N.J. van der; Kruger, F.J. 2003. Source location of African elephant ivory and rhinoceros horn by stable isotope ratio analysis. Forensic Science International 136 (Suppl. 1): 383.

Merwe, N.J. van der 1994. Isotopes may control trade: horn and ivory. Swara 17 (5): 10-11.

Hall-Martin, A.; Merwe, N.J. van der; Lee-Thorp, J.; Armstrong, R.A.; Mehl, C.H.; Struben, S.; Tykot, R. 1993. Determination of species and geographic origin of isotopic analysis and its possible application to trade control.

Merwe, N.J. van der 1962. The position of nature conservation in South Africa. Koedoe 5: 1-122.