Columbia subject headings:
Business cycles--Europe, Eastern--Congresses.
Europe, Eastern--Foreign economic relations--Congresses.
Soviet Union--Foreign economic relations--Congresses.
Harvard subject headings:
Business cycles--Congresses.
Europe, Eastern--Foreign economic relations--Congresses.
Soviet Union--Foreign economic relations--Congresses.
Princeton subject headings:
Business cycles--Congresses.
Europe, Eastern--Foreign economic relations--Congresses.
Soviet Union--Foreign economic relations--Congresses.