@misc{NarraBhandariGlaseretal., author = {Narra, Satyanarayana and Bhandari, Prem and Glaser, C. and Bischof, Heike and Busch, G{\"u}nter}, title = {Pelletisation of Biogas Residues with Pelleting Discs}, publisher = {ETA-Florence Renewable Energies}, address = {Florence}, isbn = {978-88-89407-55-4}, pages = {1937}, language = {en} }