Rol opytnogo di︠e︡la v sisteme gosudarst-vennogo stroitelʹstva
Contributors: Moskovskai͡a selʹskokhozi͡aĭstvennai͡a akademii͡a imeni K.A. Timiri͡azeva. Opytnoe pole. Biulleteni 30
Series: Opytnoe pole Petrovskoĭ selʹsko-khozi︠a︡ĭstvennoĭ akademii -- Bi︠u︡llet. No. 30. 1921 g.; Opytnoe pole Petrovskoĭ selʹsko-khozi͡aĭstvennoĭ akademii -- Bi͡ullet. No. 30. 1921 g.
Published: 1921
Place of publication: Moskva
Language: rus
Number of pages: 18
Subjects: Agriculture
Notes: At head of title: Prof. A. G. Doi︠a︡renko.