Vizantiĭski i bŭlgarski kreposti V-X vek
By: Dimitŭr S. Ovcharov.
Publisher: Izd-vo na Bŭlgarskata akademii͡a︡ na naukite
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 171
Subjects: Fortification -- Bulgaria -- History.; Fortification -- Byzantine Empire -- History.
Other titles: Vizantiĭskie i bolgarskie kreposti V-X v.; Vizantiĭskie i bolgarskie kreposti 5-10-go v.; Forteresses byzantines et bulgares Ve-Xe s.
Notes: Bibliography: p. 151-162.
Titles on added t.p.: Vizantiĭskie i bolgarskie kreposti V-X v. ; Forteresses byzantines et bulgares Ve-Xe s.
At head of title: Bŭlgarska akademii͡a︡ na naukite. Arkheologicheski institut i muzeĭ.
Summary in French and Russian.