Columbia subject headings:
Harvard subject headings:
Freight and freightage--European Economic Community countries--Statistics--Periodicals.
Shipment of goods--Statistics--Periodicals.
Trucking--European Economic Community countries--Statistics--Periodicals.
Princeton subject headings:
Freight and freightage--European Economic Community countries--Statistics--Periodicals.
Shipment of goods--Statistics--Periodicals.
Trucking--European Economic Community countries--Statistics--Periodicals.