http://chronology.org.ru/newwiki/%D0%A2%D0%B0%D0%B1%D0%BE%D0%B2%2C %D0%99%D0%BE%D1%80%D0%B4%D0%B0%D0%BD %D0%91%D0%BE%D1%80%D0%B8%D1%81%D0%BE%D0%B2 Йордан Б. Табов
wikipedia:Yordan_Tabov