Changing environments.
By: Conservation. Prepared by the [Environment] Course Team.
Contributors: Open University. Environment Course Team.
Series: Open University. Environment Course Team. Science, a second level course: environment -- unit 4-5
Publisher: Open University Press
Published: 1972
Place of publication: [Walton Hall, Bletchley Bucks]
Language: eng
Number of pages: 8443
Subjects: Ecology.; Conservation of natural resources.; Environmental policy -- Great Britain.
Other titles: Conservation.