GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1981 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1982)

1981

НМ<* GEOPHYSICAL OBSERVATORY REPORTS OF THE GEODETIC AND GEOPHYSICAL RESEARCH INSTITUTE OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 1981 OBSERVATORY OF NAGYCENK q SOPRON 1982

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