100 godini Bŭlgarska telegrafna agent︠s︡ii︠a︡
Subtitle: BTA 1898
Publisher: BTA?
Published: 1998
Place of publication: Sofii︠a︡
Language: bul
Subjects: History; Telegraph; Telecommunication; Bŭlgarska telegrafna agent︠s︡ii︠a︡
Other titles: Sto godini Bŭlgarska telegrafna agent︠s︡ii︠a︡
Notes: Includes bibliographical references.