1. IARC. Nickel and Certain Nickel Compounds (Group 2A) and Nickel Refining (Group 1). In IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. Vol 1-29 Suppl 4. Lyon: International Agency for Research on Cancer 1982;167-170.
2. IARC. Chromium and Chromium Compounds. In IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. Vol 23. Lyon: International Agency for Research on Cancer 1980;205.
3. IARC. Some Metallic Compounds Arsenic and Arsenic Compounds. In IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. Vol 23. Lyon: International Agency for Research on Cancer 1980.
4. Norseth T. Industrial viewpoints on cancer caused by metals as an occupational disease. In. Origins of Human Cancer Book A: Incidence of Cancer in Humans Vol 4. Cold Spring Harbor Conferences on Cell Proliferation (Hiatt HH Watson J D Winsten J. A eds). Cold Spring Harbor NY 1977;159-167.
5. Hernberg S. Incidence of cancer in populations with exceptional exposure to metals. In: Origins of Human Cancer Book A: Incidence of Cancer in Humans Vol 4. Cold Spring Harbor Conferences on Cell Proliferation (Hiatt HH Watson JD Winsten JA eds). Cold Spring Harbor New York 1977;147-157.