Shesta Nat͡sionalna konferent͡sii͡a s mezhdunarodno uchastie na tema "Rat͡sionalno izpolzuvane na elektricheskata energii͡a za osvetlenie"
Subtitle: 4-6 oktomvri 1984 g. : Mezhdunaroden dom na uchenite "F.Zh. Ki͡uri," kurort "Druzhba" : "Osvetlenie 84.".
Contributors: Sŭi͡uz na nauchnite rabotnit͡si v Bŭlgarii͡a.; Bulgaria. Nat͡sionalen komitet po osvetlenie.
Publisher: [s.n.]
Published: 1900
Place of publication: Varna
Language: bul
Subjects: Electric lighting -- Congresses.; Electric power -- Conservation -- Congresses.
Other titles: 6. Nat͡sionalna konferent͡sii͡a s mezhdunarodno uchastie na tema "Rat͡sionalno izpolzuvane na elektricheskata energii͡a za osvetlenie."
Notes: Includes bibliographies.
Bulgarian, English, German, and Russian.
Cover title.
On cover: Sŭi͡uz na nauchnite rabotnit͡si v Bŭlgarii͡a. Nat͡sionalen komitet po osvetlenie.