Columbia subject headings:
Harvard subject headings:
Ecology--Russia (Federation)--Russian Far East--Periodicals.
Russian Far East (Russia)--Economic conditions--Periodicals.
Science--Russia (Federation)--Russian Far East--Periodicals.
Princeton subject headings:
Ecology--Russia (Federation)--Russian Far East--Periodicals.
Russian Far East (Russia)--Economic conditions--Periodicals.
Science--Russia (Federation)--Russian Far East--Periodicals.