| 1999 | ICASSP | Improved methods for vocal tract normalization. | Lutz Welling, Stephan Kanthak, Hermann Ney |
| 1998 | ICASSP | The RWTH large vocabulary continuous speech recognition system. | Hermann Ney, Lutz Welling, Stefan Ortmanns, Klaus Beulen, Frank Wessel |
| 1998 | ICASSP | A study on speaker normalization using vocal tract normalization and speaker adaptive training. | Lutz Welling, Reinhold Haeb-Umbach, X. Zubert, N. Haberland |
| 1997 | GI | Architecture and Search Organization for Large Vocabulary Continuous Speech Recognition. | Stefan Ortmanns, Lutz Welling, Klaus Beulen, Frank Wessel, Hermann Ney |
| 1997 | Interspeech | Comparison of optimization methods for discriminative training criteria. | Ralf Schlter, Wolfgang Macherey, Stephan Kanthak, Hermann Ney, Lutz Welling |
| 1997 | Interspeech | Acoustic front-end optimization for large vocabulary speech recognition. | Lutz Welling, N. Haberland, Hermann Ney |
| 1996 | ICASSP | A model for efficient formant estimation. | Lutz Welling, Hermann Ney |
| 1995 | Interspeech | Experiments with linear feature extraction in speech recognition. | Klaus Beulen, Lutz Welling, Hermann Ney |
| 1995 | Interspeech | Connected digit recognition using statistical template matching. | Lutz Welling, Hermann Ney, Andreas Eiden, C. Forbrig |