1. Ahlstrom 2009 Press release from Ahlstrom Dated 18 May 2009 Biodegradable Solution for Infusion Products (Tea and Coffee) http://www.ahlstrom.com
2. CEPI (Confederation of European Paper Industries) 2007 Carbon Footprints for Paper and Board Products http://www.cepi.org
3. CEPI (Confederation of European Paper Industries) 2008a Issue Sheet ‘Certification of Sustainable Forest Management’ http://www.cepi.org
4. CEPI (Confederation of European Paper Industries) 2008b Key Statistics 2008 European Pulp and Paper Industry http://www.cepi.org