Investigations on disposal of low-calorific landfill gases by a small scale fluidised bubbling bed combustion plant by Steinbrecht D., Wolff H.-J., Matzmohr R., Nassour A. and Didik H.
Characterization of packaging grade papers from recycled raw materials through the study of fibre morphology and composition by Adamopoulos S., Martinez E. and Ramirez D.