1. K. Michel, R.M. Shah and R.L. Hamill, 17th Intersci. Conf. Antimicr. Agents & Chemoth. Abstract 41 New York (1977)
2. D.A. Preston and P.W. Ensminger, 17th Intersci. Conf. Antimicr. Agents & Chemoth. Abstract 43 New York (1977)
3. K. H. Michel and C.E. Higgens, U.S. Pat. 4,122,168 and 4,083,964 (1978)
4. A 35512, a complex of new antibacterial antibiotics produced by Streptomyces candidus. I. Isolation and characterization.