Is the equatorial radius of the earth a primary constant, a derived constant, or a defining constant? Hiroshi Kinoshita OriginalPaper 01 April 1994 Pages: 109 - 116
The celestial and terrestrial departure points and their various aspects in geodesy and astrometry H. J. YanE. Groten OriginalPaper 01 April 1994 Pages: 117 - 130
Similarities of and differences between three mountain belts at the border of the pannonian basin due to the behaviour of the mohorovičić discontinuity Krešimir ČolićSvetozar PetrovićVincenc Vyskočil OriginalPaper 01 April 1994 Pages: 131 - 139
Kinematic hypocentre determination using the paraxial ray approximation Luděk Klimeš OriginalPaper 01 April 1994 Pages: 140 - 156
Wave diagnostics of the outer high-latitude ionosphere under application of numerical simulation of ionospheric filtration to simultaneous, conjugate, ground-based and satellite measurements of Pc1 signals Karel PriknerDora S. Fligel OriginalPaper 01 April 1994 Pages: 187 - 205
Trends in planetary wave activity in the upper middle atmosphere inferred from the nighttime LF radio wave absorption measurements Jan Laštovička OriginalPaper 01 April 1994 Pages: 206 - 212
Anomalous behaviour of plasma parameters as observed by the intercosmos 24 satellite prior to the iranian earthquake of 20 June 1990 J. BoškováJ. ŠmilauerK. Kudela OriginalPaper 01 April 1994 Pages: 213 - 220