Sredna gora i Podbalkanskite poleta.
Contributors: Melnishki, Li͡u︡ben, joint author.
Series: Geografska biblioteka
Publisher: Nauka i izkustvo
Published: 1968
Place of publication: [Sofii͡a︡
Language: bul
Number of pages: 242
Subjects: Human geography -- Bulgaria.
Notes: Bibliographical footnotes.
At head of title: Petŭr Penchev, Li͡u︡ben Melnishki.