Opolzotvori͡a︡vane na vtorichni surovini
Subtitle: materiali ot mezhdunarodnii͡a︡ simpozium gr. Plovdiv, septemvri 1980 g.
By: [redaktori Toms Khrant, Margarita Dimitrova].
Contributors: Khrant, Toms.; Dimitrova, Margarita.; Bŭlgarska tŭrgovsko-promishlena palata.
Publisher: Bŭlgarska tŭrgovsko-promishlena palata
Published: 1980
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 324
Subjects: Waste products -- Congresses.