Trigradsko zhdrelo i Di͡a︡volsko gŭrlo
Subtitle: [turist. marshruti]
By: Dimitŭr Raĭchev.
Edition: 1. izd.
Series: Malka turisticheska biblioteka; Malka turisticheska biblioteka (Unnumbered)
Publisher: Medit͡s︡ina i fizkultura
Published: 1979
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 36
Subjects: Trigrad region, Bulgaria -- Description and travel.
Notes: Bibliography: p. [37]