1. Andr�si E, Mohos M, Bezur L, and Moln�r Zs (1988) Trace element analytical chemistry in medicine and biology, vol 5. Walter de Gruyter, Berlin, New York, p 261
2. Kingston HM, Jassie LB (1988) Introduction to microwave sample preparation. ACS Professional Reference Book, Washington
3. Bezur L, Ernyei L, Pungor E (1987) Winter Conference on Plasma and Laser Spectrochemistry, Lyon, p 241
4. Moln�r Zs, Ke�mley G, B�dizs D, Lengyel Z. (1992) Application of Neutron Activation Analysis in the Institute of Nuclear Techniques of Technical Univ of Budapest, Periodica Polytechnica
5. Andr�si E, N�dasdi J, Moln�r Zs, Bezur L, Ernyei L (1990) Biol Trace Element Research, vol 26?27, p 691