Ptit͡s︡i v sinʹoto nebe
Subtitle: dokumentalna povest
By: Svetlozar Karadzhov.
Edition: 1. izd.
Publisher: Nar. mladezh, izd-vo na T͡S︡K na DKMS
Published: 1978
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 112