UNEP
Subtitle: two decades of achievement and challenge
Publisher: UNEP
Published: 1992
Place of publication: Nairobi, Kenya
Language: eng
Number of pages: 52
Subjects: Environmental protection; History; United Nations Environment Programme
Other titles: 20 years two decades of achievement and challenge.; Twenty years two decades of achievement and challenge.; Peter S. Thacher Environment Collection; Edward A. Parson Stratospheric Ozone Collection c. 2
Notes: At head of title: 20 years two decades of achievement and challenge.