Sbornik na rezi͡umeta ot dokladite, izneseni na kongresa, 5-7.X.1981 g.
Publisher: Mezhdunar. dom na uchenite "Frederik Zholio Ki͡uri"
Published: 1981
Place of publication: Varna
Language: bul
Number of pages: 239
Subjects: Bulgaria -- Description and travel -- Congresses.
Notes: Cover title.