U. S. directory of environmental sources
Subtitle: United States International Environmental Referral Center, National Focal Point of the United Nations Environment Program/Internationl Referral System
Edition: 2d ed.
Publisher: The Agency
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 739
Subjects: Information services; Environmental policy; United Nations
Other titles: United States International Environmental Referral Center.; United Nations Environment Program International Referral System.