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

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