1. The brilliance of bioenergy in business and practice;Sims,2002
2. Thermochemische Umwandlung;Hofbauer,2001
3. Practical aspects of biomass gasification;Knoef,2005
4. Status of small-scale biomass gasification and prospects;Knoef,2005
5. The Wr. Neustadt Project;Schmoll,2007