Prest, A G Biochemical and Molecular Characterization of Obesumbacterium proteus, a Common Contaminant of Brewing Yeasts. [electronic resource] - Applied and environmental microbiology May 1994 - 1635-40 p. digital Publication Type: Journal Article ISSN: 0099-2240 Standard No.: 10.1128/aem.60.5.1635-1640.1994 doi