1. Biotransformation of cardiac glycosides by immobilized cells of Digitalis lanata;Alfermann;Planta Med.,1980
2. Biotransformation of β-methyldigitoxin to β-methyldigoxin by cell cultures of Digitalis lanata;Alfermann,1983
3. Biotransformation of cardiac glycosides by Digitalis cell cultures in airlift reactors;Alfermann,1985
4. Bioconversions in aqueous two-phase systems;Andersson;Enzyme Microb. Technol.,1990
5. Development of bioreactors for the culture of surface immobilized plant cells;Archambault;Biotechnol. Bioeng.,1990