記事
Companies in Conflict Situations: Mineral Extraction in the Democratic Republic of Congo [broken link - kept for users' reference]
[refers to H.C. Stark of Germany (a subsidiary of Bayer AG), Ulba of Kazakhstan, and Cabot Corporation of the United States; French companies Safmarine, SDV-Transintra, Martinair; OSLEG, a company owned by Zimbabwe's army; Zimbabwean investor John Bredenkamp's Tremalt Ltd]