1. http://www.choren.com/de/biomass_to_energy/carbo-v-technologie/.
2. Development of integrated system of biomass gasification using partial oxidizing process and liquid fuel synthesis with catalyst;Ishii;Journal of the Japan Institute of Energy,2005
3. Liquid fuel synthesis throughout biomass to transportable liquid (BTL) system;Hanaoka;Science in Thermal and Chemical Biomass Conversion,2006
4. Environmental and economic analysis of methanol production process via biomass gasification;Kumabe;Fuel,2008
5. Evaluation of CO2 mitigation by BTL biofuels from woody biomass through simulated case studies;Fujimoto;International Energy Journal,2008