Evaluation of analytical ionospheric models used in electron density profile reconstruction S. M. Stankov OriginalPaper 27 February 2013 Pages: 385 - 401
Some results referring to the long-term change of ionospheric parameters P. Bencze OriginalPaper 27 February 2013 Pages: 403 - 408
On the origin of mid-latitude spread-F P. BenczeP. Bakki OriginalPaper 27 February 2013 Pages: 409 - 417
Spectrum utilisation, spectrum management and COST271 P. A. Bradley OriginalPaper 27 February 2013 Pages: 419 - 423
Gravity gradiometry: From Loránd Eötvös to modern space age R. Rummel OriginalPaper 27 February 2013 Pages: 435 - 444
Geomagnetic research in the 19th century W. SchröderK. -H. Wiederkehr OriginalPaper 27 February 2013 Pages: 445 - 466