Pravilnik za tekhnicheska eksploatat͡s︡ii͡a︡ na zheleznit͡s︡ite (PTE)
Subtitle: v sila ot-- 1990.
Contributors: Bŭlgarski dŭrzhavni zheleznit͡s︡i, Stopansko obedinenie.
Publisher: Bŭlgarski dŭrzhavni zheleznit͡s︡i
Published: 1991
Place of publication: [Sofia]
Language: bul
Number of pages: 158
Subjects: Railroads -- Safety regulations -- Bulgaria.
Notes: At head of title: Ministerstvo na transporta.
"Odobri͡a︡vam, Ministŭr na transporta, Sofii͡a︡, 1. viii. 1990 g., inzh. Veselin Pavlov."