|   L.M. Кlyukin  |  3  |  
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  |  
|   A.I. Goncharov  |  17  |  
  |  
  |  
Extraction of the spectral components of the Pc oscillations in geomagnetic field using Hall sensors V.I. Kubov, A.P. Slivinsky  |  22  |  
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  |  
Technical problems and errors in earthquake catalog studies A.V. Desherevskii, A.Ya. Sidorin  |  32  |  
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| 
 М. Зохраби, М.Х. Салахов, С.С. Харинцев  |  42  |  
      
      

