GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1981 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1982)
1981
GEOPHYSICAL OBSERVATORY REPORTS OF THE GEODETIC AND GEOPHYSICAL RESEARCH INSTITUTE OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1981 OBSERVATORY OF NAGYCENK REPORT ON I. EARTH CURRENTS II. GEOMAGNETISM III. ATMOSPHERIC ELECTRICITY IV. IONOSPHERE EDITED BY THE DIRECTOR SOPRON 1982