http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Meeting of the Conference of Contracting Parties to the Ramsar Convention (3rd : 1987 : Regina, Saskatchewan, Canada)
Παρουσιάστηκε στο : Third Meeting of the Conference of Contracting Parties to the Ramsar Convention, held in Regina, Saskatchewan, Canada, 28-29, May 1987.