Istorii͡a︡ na orientiraneto v Bŭlgarii͡a︡
Subtitle: za perioda 1954-1988 god.
By: Kolʹo Siderov.
Publisher: Izd. na BFO
Published: 1994
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 605
Subjects: Orienteering -- Bulgaria -- History -- 20th century.