author = { Bočkov, Atanas Blyth, Alan AND Woodward, John AND Harewood, Henry George Charles Lascelles AND Christoff, Boris },

title = { Boris Christoff an authorized biography },

publisher = {Robson Books},

publisher = {},

isbn = {0860517314},

keywords = { Khristov Boris 1914- , Operas Singing , Bulgaria , Biografie },

year = {[1991]},

year = {, © 1991},

address = { London , },

url = { http://slubdd.de/katalog?TN_libero_mab2 }