1) Ramsar Convention on Wetland: Principles and guidelines for wetland restoration, 2002.
2) Ramsar Convention on Wetlands: New Guidelines for management planning for Ramsar sites and other wetlands (resolution VIII. 14), 2002.
3) International Navigation Association: Ecological and Engineering Guidelines for Wetlands Restoration in Relation to the Development, Operation and Maintenance of Navigation Infrastructures, PIANC, 2003.