1. DBFZ Deutsches Biomasseforschungszentrum gGmbH,Biochemical Conversion Department,Leipzig,Germany
2. Saxon University of Cooperative Education,Glauchau,Germany
3. Chemnitz University of Technology,Chair of Automatic Control and System Dynamics,Chemnitz,Germany
4. Munster University of Applied Sciences,Faculty of Energy. Building Services. Environmental Engineering,Münster,Germany