Ukrepitelnata sistema na provint︠s︡ii︠a︡ Skitii︠a︡ (krai︠a︡ na III-VII v.) =
Subtitle: Defence system of the late Roman province of Scythia (the end of the 3rd - the 7th century A.D.)
By: Sergeĭ Torbatov.
Publisher: Faber
Published: 2002
Place of publication: V. Tŭrnovo
Language: bul
Number of pages: 536
Subjects: Fortification, Roman -- Dobruja (Romania and Bulgaria); Dobruja (Romania and Bulgaria) -- Antiquities, Roman.
Other titles: Defence system of the late Roman province of Scythia
Notes: Includes bibliographical references.

In Bulgarian with summary also in English.