Environmental law, an in-depth review / United Nations Environment Programme. - Nairobi : UNEP, 1981. - UNEP report ; no. 2, 1981 . - UNEP report ; 1981, no. 2. . "Na. 81-4544." LCCN: 82121356 Subjects--Topical Terms: Environmental law, International. LC Class. No.: K3585.4 / .E58 1981 Dewey Class. No.: 341.7/62