A. Bekker, Karhu, J. A., Eriksson, A., and Kaufman, A. J.,
“Chemostratigraphy of Paleoproterozoic carbonate successions of the Wyoming Craton: tectonic forcing of biogeochemical change?”,
Precambrian Research, vol. 120, no. 3-4, pp. 279-325, 2002.
A. Bekker, Holland, H. D., Wang, P. L., Rumble, D., Stein, H. J., Hannah, J. L., Coetzee, L. L., and Beukes, N. J.,
“Dating the rise of atmospheric oxygen”,
Nature, vol. 427, no. 6970, pp. 117-20, 2004.