UNEP reference series
United Nations Environment Programme
editor, Alexandre Charles Kiss
United Nations Environment Programme 1983 UNEP reference series 4
Available at 12 libraries
United Nations Environment Programme 1981 UNEP reference series 2
pbk.
Available at 2 libraries
Published for the United Nations Environment Programme by Pergamon Press 1979 1st ed UNEP reference series v. 1
Available at 6 libraries