| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Activities of UNEP in the field of environmental law in 1991 | 978-92-807-1360-2 | 1992 | |
| Legal and institutional arrangements for environmental protection and sustainable development in developing countries | 978-92-807-1296-4 | 1991 | |
| Selected Multilateral Treaties in the Field of the Environment: Volume 2 | 978-92-807-1212-4 | 1991 | Seth Osafo |
| Selected Multilateral Treaties in the Field of the Environment: Volume 2: v. 2 | 978-0-521-46337-9 | 1991 | " |
| Użytkowanie wód śródlądowych dla celów nieżeglowych w świetle prawa międzynarodowego | 978-83-01-03330-9 | 1981 | |
Cambridge University Press · United Nations · Wydawnictwo Naukowe