1. P.H. Dawson (ed.),Quadrupole Mass Spectrometry and its Applications (Elsevier, Amsterdam 1976).
2. R.E. March and R.J. Hughes,Quadrupole Storage Mass Spectroscopy (Wiley, New York, 1989).
3. J.D. Prestage et al.,Proc. CPEM, Boulder (1994) p. 37.
4. A. Bauch, D. Schnier and C. Tamm,Proc. 7th Europ. Frequ. and Time Forum, Neuchatel (1993).
5. P.T.H. Fisk et al.,Conf. Prec. Electrom. Meas., Digest (1994) p. 29.