GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1969 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1970)
1969
GEOPHYSICAL OBSERVATORY REPORTS OF THE GEOPHYSICAL RESEARCH LABORATORY OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1969 OBSERVATORY OF NAGYCENK REPORT ON I. EARTH CURRENTS II. GEOMAGNETISM III. ATMOSPHERIC ELECTRICITY IV. IONOSPHERE V. TECHNICAL PAPER EDITED BY THE DIRECTOR SOPRON 1970