The martyrium of "Markeli" fortress by Karnobat

von Aladjov, Zhivko, Drazheva, Tsonja, Momchilov, Dimcho
Veröffentlicht in Rannochristijanski mǎčenici i relikvi tjachnoto počitane na iztok i zapad :, 4 (2006)
Umfang/Format: Fasc. 4, page 273-280 : ill, plans