Skalni manastiri po Shumenskoto plato
By: [avtori, Asen Peĭchev ... et al.].
Publisher: Ministerstvo na zemedelieto i gorite, Nat︠s︡ionalno upravlenie po gorite; Direkt︠s︡ii︠a︡ na priroden park "Shumensko plato"
Published: 2001
Place of publication: Shumen
Language: bul
Number of pages: 84
Notes: Includes bibliographical references (p. 83).

Summary in English.