GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1990-1991 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1995)
1990-1991
16 4 6 4 GEOPHYSICAL OBSERVATORY REPORTS OF THE GEODETIC AND GEOPHYSICAL RESEARCH INSTITUTE OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1990-1991 OBSERVATORY OF NAGYCENK SOPRON 1995