Cherven, tvŭrdina bŭlgarska
By: [avtor-sŭstavitel Stoi͡an Ĭordanov ; preveli na ruski ezik Li͡udmila Staneva, na angliĭski ezik Teodora Davidova ; snimki Neĭcho Ivanov].
Publisher: DI "Septemvri"
Published: 1982
Place of publication: Sofii͡a
Language: bul
Number of pages: 74