R. Tatzel

Complete 23S Ribosomal RNA Sequences of Gram-positive Bacteria with a Low DNA G+C Content

M. Weizenegger, W. Ludwig, D. Betzl, 1992 .

Identification of Clostridium butyricum, Clostridium sporogenes and Clostridium tyrobutyricum by hybridization with 16S rRNA-targeted oligonucleotide probes

Wolfgang Ludwig, Stefan Knabel, Ralf Tatzel, 1997 .

Identification of Bacillus strains isolated from milk and cream with classical and nucleic acid hybridization methods

K. Schleifer, W. Ludwig, P. Wallnöfer, 1994, Journal of Dairy Research.

Identification of Bacillus licheniformis by Colony Hybridization with 23S rRNA-targeted Oligonucleotide Probes

K. Schleifer, W. Ludwig, P. Wallnöfer, 1994 .