I sorted out a similar question in the Caucasus: http://answers.yahoo.com/question/index;_ylt=AmjzSjtvJKEc8gizx3DbYzfsy6IX;_ylv=3?qid=20080814061923AAP5i8M
Specifically, does the continent border enter the Caspian at the Volga, the Ural or the Emba rivers?
This could mean that Kazakhstan, Azerbaijan and Russia have an equal claim to Turkey for EU membership, all being countries that straddle the two continents.
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