Columbia subject headings:
Argentina--Foreign relations--Uruguay.
Botnia (Firm)
Environmental policy--Argentina.
Environmental protection--Argentina--Gualeguaychú.
Environmental protection--Uruguay River.
Paper mills--Environmental aspects--Uruguay River.
Pulp mills--Uruguay--Fray Bentos.
Uruguay--Foreign relations--Argentina.
Wood-pulp industry--Environmental aspects--Uruguay River.
Harvard subject headings:
Argentina--Foreign relations--Uruguay.
Botnia (Firm)
Botnia S.A.
Environmental policy--Argentina
Environmental protection--Argentina--Gualeguaychú.
Environmental protection--Uruguay River.
Paper mills--Environmental aspects--Uruguay River.
Pulp mills--Uruguay--Fray Bentos.
Uruguay--Foreign relations--Argentina.
Wood-pulp industry--Environmental aspects--Uruguay River.
Princeton subject headings:
Argentina--Foreign relations--Uruguay.
Environmental policy--Argentina.
Environmental protection--Argentina--Gualeguaychú.
Environmental protection--Uruguay River.
Paper mills--Environmental aspects--Uruguay River.
Pulp mills--Uruguay--Fray Bentos.
Uruguay--Foreign relations--Argentina.
Wood-pulp industry--Environmental aspects--Uruguay River.