Paul M. and A. Kassahun. The German Wismut Environmental Remediation Programme - Status Achieved and Challenges Remaining. Presented at the 2013 workshop.
Hockley D.. Wismut Project - Update. Presented at the 1996 workshop.
Kassahun A., U. Jenk, J. Meyer and M. Paul. Wismut's Mine Water Management and Treatment Approaches. Presented at the 2013 workshop.