Paper is a materialmedium that can be produced from multiple types of cellulose.[1][2] Papers of similar materials can be further altered into different types by specific processing, some with defining additives.[3]
Göttsching, Lothar; Gullichsen, Johan; Pakarinen, Heikki; Paulapuro, Hannu; Yhdistys, Suomen Paperi-Insinöörien; Technical Association of the Pulp and Paper Industry (2000). Recycling fiber and deinking. Finland: Fapet Oy. pp.12–14. ISBN978-952-5216-07-3. OCLC247670296.