GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1972 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1973)
1972
Exchange copies of these Reports may be obtained from: Geodetical and Geophysical Research Institute of the Hungarian Academy of Sciences H 9401 Sopron, Pf. 5. (Hungary) Director: J. SOMOGYI MA G l Ail (TUDOMÁNYOS AKAS£..HA ^ KÖNYVTARA