1. Boehringer Mannheim GmbH (1973) l-Amino acid oxidase (l-AOD). Biochemica Information I, p 41
2. Bückmann AF, Kula M-R, Wichmann R, Wandrey C (1981) An Efficient Synthesis of High Molecular Weight NAD(H)-Derivatives suitable for Continuous Operating with Coenzyme Depending Enzyme Systems. J Appl Biochem 3:301–315
3. Hoffmann U, Hofmann H (1971) Einführung in die Optimierung mit Anwendungsbeispielen aus dem Chemie-Ingenieur-Wesen, Verlag Chemie, Weinheim, FRG
4. Hummel W, Schütte H, Kula M-R (1985) d-2-hydroxyisocaproate dehydrogenase from Lactobacillus casei—A new enzyme suitable for stereospecific reduction of 2-keto-carboxylic acids. Appl Microbiol Biotechnol 21:7–15
5. Hummel W, Schmidt E, Wandrey C, Kula M-R (1986) l-Phenylalanine dehydrogenase from Brevibacterium sp. for production of l-phenylalanine by reductive amination of phenylpyruvate. Appl Microbiol Biotechnol 25:175–185