1. Parr RM (1977) J Radioanal Chem 39:421
2. Parr RM (1980) Report IAEA/RL/69, International Atomic Energy Agency, Wien
3. Parr RM, J Radioanal Nucl Chem (im Druck)
4. Cornelis R, Wallaeys B (1984) Chromium revisited. In: Brätter P, Schramel P (eds) Trace element analytical chemistry in medicine and biology. Walter de Gruyter & Co Berlin New York
5. Lux F, Božanić D, Blümel G, Erhardt W (1978) Mikrochim Acta I, 35