1. 1) A. Montaser (ED.): "Inductively Coupled Plasma Mass Spectrometry", (1998), (Wiley-VCH, New York).
2. 2) K. H. Schoenbach, M. Moselhy, W. Shi, Bentley: J. Vac. Sci. Technol., A 21, 1260 (2003).
3. 3) R. H. Stark, K. H. Schoenbach: J. Appl. Phys., 65, 2075 (1999).
4. 4) M. Miclea, K. Kunze, J. Franzke, K. Niemax: Spectrochim. Acta B, 57, 1585 (2002).
5. 5) Robert C. Weast: "CRC handbook of chemistry and physics", (1989-1990), (CRC Press, Inc., Florida).