Substantiation of the operating modes of a pneumatic conveying system and the parameters of fertilizer-distributing working elements of a top dresser for grain crops

Moscow

166 pp.

Substantiation of the operating modes of a pneumatic conveying system and the parameters of fertilizer-distributing working elements of a top dresser for grain crops — Chernyavskiy, Sergey Viktorovich — 1991 — Russian Dissertation Library