Title: Ėkologicheskai︠a︡ toksikologii︠a︡ prirodnykh populi︠a︡t︠s︡iĭ ptit︠s︡ i mlekopitai︠u︡shchikh Severa
Subjects: Animals, Ecophysiology, Effect of pollution on, Environmental toxicology, Plants
Places: Northern Russia