Enhanced Propionic Acid Fermentation by Propionibacterium acidipropionici Mutant Obtained by Adaptation in a Fibrous-Bed Bioreactor - Biotechnology and BioEngineering, 91(3), p.325-337, 2005 . Subjects--Topical Terms: PROPIONIBACTERIUM ACIDIPROPIONICIPROPIONIC ACID FERMENTATIONFIBROUS-BED BIOREACTOR