Nações Unidas., Environment Programme
Annual report of the executive director 1986 / United Nations Environment Programme
Annual report of the executive director 1986 / United Nations Environment Programme
. - Nairobi : UNEP, 1987-
. - v. 27 cm
. -
Parte 1 : 1987. - VIII, 176 p., [4] f. dobr. : il.
92-807-1134-2 (pt.1) Brochado
504.06