by Carnegie Institution of Washington. Dept. of Terrestrial Magnetism.
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Scientific results of cruise VII of the ...
Earth-current results at Tucson Magnetic...
I. Ionospheric research at College, Alas...
Land and ocean magnetic observations, 19...
The geomagnetic field
Description of the earth's main magnetic...
Terrestrial magnetism
The scientific papers
Physik des aethers auf elektromagnetisch...
1983 tail-era data series
Tectonics, magmatism, and metallogeny of...
Deutsche Südpolar-Expedition, 1901-1903