Modification Of Sporadic E-Layers Caused By Seismic Activity
Ionospheric quiet-day currents and their effects on the interpretation of upper mantle conductivity – A review
Short Period Variations In Earth Rotation As Seen By VLBI
The International Latitude Service – A Historical Review, From The Beginning To Its Foundation In 1899 And The Period Until 1922
A Geophysical Study Of The Ophiolite Complex And The Sedimentary Basins In The Northwest Part Of The Chalkidiki Peninsula (N. Greece)