United States. President (2009- : Obama) & Clinton, Hillary Rodham. Annex VI to the Protocol of Environmental Protection to the Antarctic Treaty : message from the President of the United States transmitting Annex VI on liability arising from environmental emergencies to the Protocol on Environmental Protection to the Antarctic Treaty (Annex VI), adopted on June 14, 2005. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc31112/. Accessed November 20, 2014.
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