McLean, R J Metal-Binding Characteristics of the Gamma-Glutamyl Capsular Polymer of Bacillus licheniformis ATCC 9945. [electronic resource] - Applied and environmental microbiology Dec 1990 - 3671-7 p. digital Publication Type: Journal Article ISSN: 0099-2240 Standard No.: 10.1128/aem.56.12.3671-3677.1990 doi