Technical report series /
Wedi'i Gadw mewn:
| Teitl Newydd: | Technical report series (United Nations Environment Programme. Industry and Economics) |
|---|---|
| Awduron Corfforaethol: | , , , |
| Fformat: | Cyfresol |
| Iaith: | English |
| Cyhoeddwyd: |
Paris :
UNEP/IEO,
1989-.
|
| Pynciau: |
| Cyhoeddwyd: | No. 1- |
|---|---|
| Disgrifiad o'r Eitem: | Each issue has distinctive title. Cover title. Not issued in chronological order. |
| Disgrifiad Corfforoll: | no. : ill. ; 30 cm. |