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ed.-in-chief, George M. Garrity (2012). Bergey's manual of systematic bacteriology (2nd ed.). New York: Springer Science + Business Media. ISBN978-0-387-68233-4. {{cite book}}: |last1= has generic name (help)
Solomon, edited by Arnold L. Demain, Nadine A. (1983). Antibiotics Containing the Beta-Lactam Structure. Berlin, Heidelberg: Springer Berlin Heidelberg. ISBN3-642-81966-4. {{cite book}}: |first1= has generic name (help)CS1 maint: multiple names: authors list (link)