GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1968 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1969)
1968
GEOPHYSICAL OBSERVATORY REPORTS OF THE GEOPHYSICAL RESEARCH LABORATORY OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1968 OBSERVATORY OF NAGYCENK REPORT ON I. EARTH CURRENTS IX. GEOMAGNETISM III. ATMOSPHERIC ELECTRICITY IV. IONOSPHERE MAGYAR TUDOMÁNYOS AKADÉMIA KÖNYVTÁRA EDITED BY THE DIRECTOR SOPRON 1969