GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1972 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1973)

1972

GEOPHYSICAL OBSERVATORY REPORTS OF THE GEODETICAL AND GEOPHYSICAL RESEARCH INSTITUTE OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1972 OBSERVATORY OF NAGYCENK REPORT ON I. EARTH CURRENTS II. GEOMAGNETISM III. ATMOSPHERIC ELECTRICITY IV. IONOSPHERE EDITED BY THE DIRECTOR SOPRON 1973

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