Anaerobic treatment of sewage sludge and grease trap sludge in continuous co-digestion by Neczaj E., Bien J., Grosser A., Worwag G. and Kacprzak M.
International overview on waste to biofuel options with a focsu on waste potentials in Germany and funding incentives in the EC by Kretzschmar J., Majer S. and Kroeger M.
Comparative behaviour of agricultural biomass residues during termochemical processing by Rincon S. And Gomez A.