Yearbook of International Cooperation on Environment and Development 1999-2000 Bergesen Helge Ole Heftet / 2013 / Engelsk
Yearbook of International Cooperation on Environment and Development 1999-2000 Bergesen Helge Ole Innbundet / 2009 / Engelsk
Year Book of International Co-operation on Environment and Development Bergesen Helge Ole Innbundet / 1999 / Engelsk
