Tài liệu tham khảo WikiPedia: Elbrus http://www.elbrusphoto.com http://earthobservatory.nasa.gov/Newsroom/NewImage... http://earthobservatory.nasa.gov/Newsroom/NewImage... http://www.mounteverest.net/story/stories/Chains,w... http://www.summitpost.org/trip-report/170539/inter... http://www.viewfinderpanoramas.org/panoramas.html http://www.viewfinderpanoramas.org/panoramas/ASIA/... http://www.viewfinderpanoramas.org/panoramas/ASIA/... //tools.wmflabs.org/geohack/geohack.php?language=v... http://www.elbrus.org.uk
