Media type: E-Article Title: 4711956 Penicillin derivatives Published: Elsevier BV, 1988 Published in: Biotechnology Advances, 6 (1988) 2, Seite 269 Language: English DOI: 10.1016/0734-9750(88)90219-4 ISSN: 0734-9750 Keywords: Biotechnology ; Bioengineering ; Applied Microbiology and Biotechnology Origination: Footnote: