1. Biotransformation by plant tissue cultures;Alfermann,1980
2. Glucose-6-phosphatase;Baginski,1970
3. Methoden der enzymatischen Analyse, Bd. I, Alkohol-Dehydrogenase,1974
4. Invertase,1974
5. Bestimmung von Glucose mit Glucose-Oxydase and Peroxydase;Bergmeyer,1970