1. Institute of Materials and Environmental Chemistry
2. Research Centre for Natural Sciences
3. Hungarian Academy of Sciences
4. Budapest H-1117
5. Hungary
6. Institute of Chemical and Process Engineering
7. University of Pannonia
8. Veszprém H-8201
9. Biomass Conversion Laboratory
10. Department of Energy
11. Tezpur University
12. Tezpur-784028
13. India