The earth: its shape, internal structure and composition
By: [and The earth's magnetic field] Prepared by the Science Foundation Course Team.
Contributors: Open University. Science Foundation Course Team
Series: Science foundation course -- unit 22-23
Publisher: Open University Press
Published: 1971
Place of publication: [Walton Hall, Bletchley, Bucks]
Language: eng
Number of pages: 7445
Subjects: Geophysics.; Geomagnetism.; Earth -- Internal structure.
Other titles: The earth's magnetic field.