1. Stoeppler M, Nürnberg HW (1984) Analytik von Metallen und ihren Verbindungen. In: Merian E, Geldmacher-von Mallinckrodt M, Nürnberg HW, Schlipköter HW, Stumm W (eds) Metalle in der Umwelt. Verlag Chemie, Weinheim, pp 45–104
2. Nürnberg HW (1982) Pure Appl Chem 54:853–878
3. Stoeppler M, Nürnberg HW (1979) Critical review of analytical methods for the determination of trace elements in biological materials. In: Berlin A, Wolff AH, Hasegawa Y (eds) The use of biological specimens for the assessment of human exposure to environmental pollution. M Nijhoff Publ, The Hague Boston London, pp 325–332
4. van der Eijk W (1979) Fresenius Z Anal Chem 297:10–12
5. Waidmann E, Hilpert K, Schladot JD, Stoeppler M (1984) Fresenius Z Anal Chem 317:273–277