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Geophysical Techniques for Studying the Earth's Interior

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1 Author(s)
George H. Sutton ; Lamont Geological Observatory, Columbia University, Palisades, New York. Contribution No. 1570

A great variety of instruments are being used to measure geophysical parameters. Many of these parameters exhibit extremely small variations about a large average value. Since it is often the small variations that are of interest to the geophysicist, these instruments usually must be extremely sensitive and stable.

Published in:

Proceedings of the IRE  (Volume:50 ,  Issue: 11 )