Authors: Drechsel, D Dettmer, K Engewald, W Bittner, T Efer, J

Citation: D. Drechsel et al., GC analysis of trichloroacetic acid in water samples by large-volume injection and thermal decarboxylation in a programmed-temperature vaporizer, CHROMATOGR, 54(3-4), 2001, pp. 151-154

Authors: Schreiber, A Efer, J Engewald, W

Citation: A. Schreiber et al., Application of spectral libraries for high-performance liquid chromatography-atmospheric pressure ionisation mass spectrometry to the analysis of pesticide and explosive residues in environmental samples, J CHROMAT A, 869(1-2), 2000, pp. 411-425

Authors: Engewald, W Teske, J Efer, J

Citation: W. Engewald et al., Programmed temperature vaporiser-based injection in capillary gas chromatography, J CHROMAT A, 856(1-2), 1999, pp. 259-278

Authors: Engewald, W Teske, J Efer, J

Citation: W. Engewald et al., Programmed temperature vaporisers-based large volume injection in capillary gas chromatography, J CHROMAT A, 842(1-2), 1999, pp. 143-161

Authors: Ceglarek, U Efer, J Schreiber, A Zwanziger, E Engewald, W

Citation: U. Ceglarek et al., Determination of linear alkylbenzenesulfonates in communal wastewater by means of solid phase microextraction coupled with API-MS and HPLC-FLD, FRESEN J AN, 365(8), 1999, pp. 674-681