(UN region) and Asia, with European territory west of the Ural Mountains and both the Ural and Emba rivers; population and area figures are for European
(页面存档备份,存于互联网档案馆) Charles T. Evans. Ural Mountains. Novaonline.nvcc.edu. 2009-07-01 [2011-02-17]. (原始内容存档于2011-07-06). The UralRiver. Geography.howstuffworks.com