Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "World Ecological Constitution: Idea, Concept. Problems" Add to list Book Chapter The Principle of Common Heritage of Mankind as Basis for a World Ecological Constitution Geert Van Hoorick (UGent) (2002) World Ecological Constitution: Idea, Concept. Problems. p.156-172