Columbia subject headings:
High speed trains--Economic aspects--Turkey--Eskişehir.
High speed trains--Environmental aspects--Turkey--Eskişehir.
High speed trains--Social aspects--Turkey--Eskişehir.
Railroads--Environmental aspects--Turkey--Eskişehir.
Harvard subject headings:
High speed trains--Economic aspects--Turkey--Eskişehir.
High speed trains--Environmental aspects--Turkey--Eskişehir.
High speed trains--Social aspects--Turkey--Eskişehir.
Railroads--Environmental aspects--Turkey--Eskişehir.
Princeton subject headings:
High speed trains--Economic aspects--Turkey--Eskişehir.
High speed trains--Environmental aspects--Turkey--Eskişehir.
High speed trains--Social aspects--Turkey--Eskişehir.
Railroads--Environmental aspects--Turkey--Eskişehir.