Not peer-reviewed yet important
UNEP, Division of Technology, Industry and Economics (DTIE), 2010, Technical and Economic Criteria for Processing Mercury-Containing Tailings: Case Study of Andacollo, Chile; available here.
Heubeck, C. , and D.R. Lowe, 1991, Barberton-Havelock Road between Diepgezet / Msauli Mine turnoff and Barberton (40.7 km), p. 140 –153, in: L.D. Ashwal (ed.), Two Cratons and an Orogen - Excursion Guidebook and Review Articles for a Field Workshop through Selected Archean Terranes of Swaziland, South Africa and Zimbabwe. IGCP Project 280 , Dept. of Geology, Univ. Witwatersrand, Johannesburg, 312 p.
Scotese, C.R., L. Gahagan, M.I. Ross, J.Y. Royer, R.D. Mueller, D. Nuernberg, C.L. Mayes, L.A. Lawver, R.L. Tomlins, J.S. Newman, C. E. Heubeck , J. K. Winn, L. Beckley, and J.G. Sclater, 1987, Atlas of Mesozoic and Cenozoic plate-tectonic reconstructions: Technical Report (Univ. of Texas at Austin, Institute for Geophysics), unpaginated.