GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1971 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1972)
1971
GEOPHYSICAL OBSERVATORY REPORTS OF THE GEODETICAL AND GEOPHYSICAL RESEARCH INSTITUTE OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1971 OBSERVATORY OF NAGYCENK REPORT ON I. EARTH CURRENTS II. GEOMAGNETISM III. ATMOSPHERIC ELECTRICITY IV. IONOSPHERE V. TECHNICAL PAPER EDITED BY THE DIRECTOR SOPRON