Industry & environment guidelines series
английский/Industry & environment guidelines series / UNEP [United Nations environment progr.].Industry & environment guidelines series / UNEP [United Nations environment progr.].Industry & environment guidelines series.[Geneva ?]/[M.]/United Nations environment progr. Industry & environment office/, 1981 ( ). - United Nations environment progr. Industry & environment office, 1981. - ; 29 см см.Industry & environment guidelines series. [Geneva ?], [M.], 1981 .United Nations Environment programme /