Title: Khozi︠a︡ĭstvennoe osvoenie Priirtyshʹi︠a︡ v kont︠s︡e shestnadt︠s︡atogo-pervoĭ polovine devi︠a︡tnadt︠s︡atogo v
First published: 1976
Subjects: Economic conditions
Places: Irtysh River Valley (Kazakhstan and Russia)
LC classification: HC487I73 A66, HC487I73 A66