The earth`s core and geomagnetism /
Jacobs, John Arthur
The earth's core and geomagnetism / by J. A. Jacobs - Oxford : Pergamon Press, 1963 - vi, 137 p. : ill. ; 20 cm. - Commonwealth and international library .
Earth--Internal Structure
Magnetism, Terrestrial
The earth's core and geomagnetism / by J. A. Jacobs - Oxford : Pergamon Press, 1963 - vi, 137 p. : ill. ; 20 cm. - Commonwealth and international library .
Earth--Internal Structure
Magnetism, Terrestrial
