Nauchno-technicheskai︠a︡ revoli︠u︡t︠s︡ii︠a︡ i sot︠s︡ialisticheskai︠a︡ integrat︠s︡ii︠a︡by Dmitriĭ Alekseevich LebinEconomic integrationMachinery in the workplaceWriting a summary for young readers…For young readersBook data: Open Library