Report of the governing council on the work of its fifteenth session, 15-26 May 1989 /
United Nations Environment Programme.
- New York : United Nations, 1989.
- iv, 185 p. ; 27 cm.
"General assembly official records : forty-fourth session, supplement no. 25 (A/44/25)"
United Nations.
341.2306 / UNR
"General assembly official records : forty-fourth session, supplement no. 25 (A/44/25)"
United Nations.
341.2306 / UNR