Pričernomor'e v Srednie veka = The Black Sea region in the middle ages - Snakt-Peterburg : Aleteja, 2009 - [1].1991; 2.1995 - - Trudy Istoričeskogo fakul'teta MGU . Subjects--Geographic Terms: Krym Schwarzes MeerByzantinisches ReichOsmanisches Reich