1. Wixson NG, Davies BE (1994) Environ Sci Technol 28: 26A–31A
2. Nriagu JO (1983) Lead and Lead Poisoning in Antiquity. Wiley, New York
3. Greninger D, Kollonitsch V, Kline CH (1974) Lead Chemicals. International Lead Zinc Research Organisation, New York
4. Nriagu JO (1978) In: Nriagu JO (Hrsg) The Biogeochemistry of Lead. Elsevier Biomedical, Amsterdam, S 18–88
5. Meyers PA, Pratt LM, Nagy B (1992) Chem Geol 99: 7–11