@book { GuidetoBiomasscomminutionmaterialpropertiesmachineryprinciplesoftheprocessandfundamentalsofprocessmodelling, title = "Guide to Biomass comminution: material properties, machinery, principles of the process and fundamentals of process modelling", author = "Lukasz {Niedzwiecki}", year = "2013", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Deutschland", url = "https://m.bachelor-master-publishing.de/document/296610" }