Dvizhenie na technosti v trŭbi i kanali
By: Ivan St. Ivanov.
Publisher: Izd-vo na Bŭlgarskata akademii͡a︡ na naukite
Published: 1991
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 291
Subjects: Pipelines -- Fluid dynamics.; Channels (Hydraulic engineering)