[1]
G. T. Feig, W. R. Joubert, A. E. Mudau, and P. M. Monteiro, “South African carbon observations: CO2 measurements for land, atmosphere and ocean”, S. Afr. J. Sci., vol. 113, no. 11/12, p. 4, Nov. 2017, doi: 10.17159/sajs.2017/a0237.