Columbia subject headings:
Metallurgy--Economic aspects--Europe, Eastern.
Steel alloy industry--Europe, Eastern.
Steel alloys--Supply and demand.
Harvard subject headings:
Metallurgy--Economic aspects--Europe, Eastern.
Steel alloy industry--Europe, Eastern.
Steel alloys--Supply and demand.
Princeton subject headings:
Chromium industry--Europe, Eastern.
Manganese industry--Europe, Eastern.
Molybdenum industry--Europe, Eastern.
Nickel industry--Europe, Eastern.
Nonferrous metal industries--Europe, Eastern.