Bŭlgaro-sŭvetski nauchno-prakticheski seminar, 07-11 i͡uli 1981 g., "Novi tekhnologii i konstrukt͡sii za efektivno izpolzuvane na energiĭnite resursi"
Subtitle: dokladi
By: [sŭstaviteli T͡Svetanka Spasova, Spiridon Gi͡urkovski ; nauchen redaktor Dono Toshev].
Contributors: Spasova, T͡Svetanka.
Publisher: Obshtonaroden kom-t za Bŭlgaro-sŭvetska druzhba
Published: 1982
Place of publication: Sofii͡a
Language: bul
Number of pages: 188