30 years Balkan Bulgarian Airlines
By: [compiler, Dencho Vlaev].
Publisher: Bulgarreklama
Published: 1978
Place of publication: [Sofia]
Language: eng; bul
Number of pages: 116
Subjects: Bŭlgarska grazhdanska aviat͡s︡ii͡a︡ Balkan.
Notes: Translation of Trideset godini Bŭlgarska grazhdanska aviat͡s︡ii͡a︡ Balkan.