Chen, M., & Crichton, R. (1982). Purification and Characterization of a Bacterioferritin From Azotobacter-chroococcum. Biochimica et Biophysica Acta : international journal of biochemistry and biophysics, 707(1), 1-6. https://hdl.handle.net/2078.5/144207 (Original work published 1982)