1. Modification Of Sporadic E-Layers Caused By Seismic Activity

   • V.A. Liperovsky
   • O.A. Pokhotelov
   • O.A. Alimov

   OriginalPaper Pages: 449 - 486

2. Ionospheric quiet-day currents and their effects on the interpretation of upper mantle conductivity – A review

   • F. N. Okeke

   OriginalPaper Pages: 487 - 498

3. Short Period Variations In Earth Rotation As Seen By VLBI

   • Harald Schuh
   • Harald Schmitz-Hübsch

   OriginalPaper Pages: 499 - 520

4. The International Latitude Service – A Historical Review, From The Beginning To Its Foundation In 1899 And The Period Until 1922

   • Joachim Höpfner

   OriginalPaper Pages: 521 - 566

5. A Geophysical Study Of The Ophiolite Complex And The Sedimentary Basins In The Northwest Part Of The Chalkidiki Peninsula (N. Greece)

   • A.S. Savvaidis
   • G.N. Tsokas
   • D. Kondopoulou

   OriginalPaper Pages: 567 - 595