1. Pfleger, K., Maurer, H.H., and Weber, A., Mass Spectral Library of Drug, Poisons, Pesticides, Pollutants and their Metabolites, Palo Alto, CA: Hewlett-Packard, 1999.
2. Maurer, H.H., J. Chromatogr. B, 1999, vol. 733, nos. 1–2, p. 3.
3. Maurer, H.H., J. Chromatogr. B, 1992, vol. 580, nos. 1–2, p. 3.
4. Quimby, B.D., Blumberg, L.M., Klee, M.S., and Wylie, P.L., in Agilent Technologies Application, 1998, no. 5967-5820E.
5. Chang, I. and Treese, C., in Agilent Technologies Application, 1998, no. 5966-2494E.