1. Immobilized biocatalysts and antibiotic production: biochemical, genetical and biotechnical aspects;Vandamme,1988
2. Current applications of immobilized enzymes for manufacturing purposes;Poulson;Biotechnol. Gen. Engng. Rev.,1984
3. Approaches for reducing the manufacturing costs of 6-aminopenicillin acid;Harrison;Process Biochem.,1984
4. Penicillin acylase: enzyme production and its application in the manufacture of 6-APA;Shewale;Process Biochem.,1989
5. Penicillin acylases: applications and potentials;Shewale;Process Biochem.,1990