@book{247820,
	author = {United Nations Environment Programme.},
	title = {Report of the governing council on the work of its fifteenth session, 15-26 May 1989 /},
	publisher = {United Nations,},
	year = {1989.},
	address = {New York :},
	note = {"General assembly official records : forty-fourth session, supplement no. 25 (A/44/25)"}
}