Spravochnik na PTT stant͡s︡ii v Narodna republika Bŭlgarii͡a︡
By: Panteleĭ Georgiev.
Publisher: Asot͡s︡iat͡s︡ii͡a︡ "Sŭobshtenii͡a︡," Nauch. informat͡s︡ionen t͡s︡entŭr po filatelii͡a︡
Published: 1989
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 137
Subjects: Postal service -- Bulgaria -- Directories.