Onstott, T.C., L.-H. Lin, M. Davidson, B. Mislowack, M. Borcsik, J. Hall, G. Slater, et al. 2006. “The Origin and Age of Biogeochemical Trends in Deep Fracture Water of the Witwatersrand Basin, South Africa”. Geomicrobiology Journal 23: 369-414. doi:10.1080/01490450600875688.

Lippmann, J., M. Stute, T. Torgersen, D.P. Moser, J.A. Hall, L. Lin, M. Borcsik, R.E.S. Bellamy, and T.C. Onstott. 2003. “Dating Ultra-Deep Mine Waters With Noble Gases and 36Cl, Witwatersrand Basin, South Africa”. Geochimica Et Cosmochimica Acta 67: 4597-4619. doi:10.1016/S0016-7037(03)00414-9.

Onstott, T.C., L.-H. Lin, M. Davidson, B. Mislowack, M. Borcsik, J. Hall, G. Slater, et al. 2006. “The Origin and Age of Biogeochemical Trends in Deep Fracture Water of the Witwatersrand Basin, South Africa”. Handbook of Environmental Chemistry, Volume 5: Water Pollution 23: 369-414. doi:10.1080/01490450600875688.