Environmental performance reviews.
United Nations.Economic Commission for Europe.Committee on Environmental Policy.
New York : United Nations,
1999.
At head of title: Economic Commission for Europe, Committee on Environmental Policy.
"Information cut-off date: 30 September 1998."--p. iv.
"Sales no. E.99.II.E.7"--T.p. verso.
Includes bibliographical references (p. 187-190).
Environmental policy
Environmental protection
Environmental law