Modulno razvitie na zhelezopŭtnata mrezha v NR Bŭlgarii︠a︡
By: Marin Devedzhiev
Publisher: [s.n.]
Published: 1988
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 271
Subjects: Transportation; Railroads
Notes: Includes bibliographical references (p. 241-[252]).