Title: Zakupochnye t︠s︡eny i vosproizvodstvo v selʹskom khozi︠a︡ĭstve : sbornik nauchnykh trudov /
Authors: Biri︠u︡kov, I︠U︡. I.
Publisher: NII po t︠s︡enoobrazovanii︠u︡,
Year: 1979