Programa za rabotata na kongresa
Subtitle: 5-7 oktomvri 1981 g., Mezhdunaroden dom na uchenite "Frederik Zholio Ki͡uri"
By: chetvŭrti Nat͡sionalen kongres na geografite v Bŭlgarii͡a.
Publisher: [s.n.]
Published: 1981
Place of publication: Varna
Language: bul
Number of pages: 18
Subjects: Geography -- Congresses.