Resources and systems
By: prepared by an Open University course team.
Series: Science, a second level course : the earth's physical resources -- Block 1.; Science, a second level course : the earth's physical resources -- Block 1.
Publisher: Open University Press
Published: 1973
Place of publication: Milton Keynes
Language: eng
Number of pages: 52
Subjects: Natural resources -- Study and teaching.
Notes: "S26- Block 1."

Bibliography: p. 50.