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Metadata describing this Open University study material
Author: None
Module code: S100
OU Presentation: 1971
Publisher: The Open University
Date of publication: 1970
Subject(s): Science
geology
magnetism
magnetic fields
magnetic induction
lines of induction
polarity
geomagnetic field
non-dipole field
self-exciting dynamo
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Type of text: assessment material: assessment
Table of contents: Unit 23