Radio i televiziya
Subtitle: Bulgarsko, Rusko, Angliisko, Frensko, Nemsko, Italianski : krat'k tekhnicheski rechnik
By: comp. by A.D. Bratanov [and others].
Contributors: Bratanov, Atanas Dobrev.
Publisher: "Tekhnika"
Published: 1977
Place of publication: Sofia
Language: bul