1. Normal gravity model of phobos

   • Milan Burša

   OriginalPaper 01 June 1989 Pages: 109 - 116

2. Periodic fluctuations at frequency of the nearly diurnal free wobble in Ondřejov PZT observations

   • Jan Hefty

   OriginalPaper 01 June 1989 Pages: 117 - 132

3. Bilateral recursive restitution of true ground motion from near-field and far-field seismograms

   • V. Vavryčuk
   • A. Plešinger

   OriginalPaper 01 June 1989 Pages: 133 - 145

4. Optimization of the shape of Gaussian beams of a fixed length

   • Luděk Klimeš

   OriginalPaper 01 June 1989 Pages: 146 - 163

5. Approximative ray tracing and the accuracy of earthquake localization in media approximated by block structures

   • Jan Šílený
   • Jaromír Janský

   OriginalPaper 01 June 1989 Pages: 164 - 176

6. Spherical tensor approach to the solution of the mantle stress problem

   • Ondřej Čadek

   OriginalPaper 01 June 1989 Pages: 177 - 197

7. The IMF sector structure effects in total ozone in central Europe

   • Jürgen Bremer
   • Jan Laštovička

   OriginalPaper 01 June 1989 Pages: 198 - 205

8. Explanation of the internal air pressure effect on the worden gravity meter dial constant

   • Karel Diviš
   • Vladimír Tobyáš
   • Bohumil Chán

   Shorter Contributions 01 June 1989 Pages: 206 - 209

9. Reviews

   • Václav Bucha
   • Eva Vargová
   • Petr Pospíšil

   BookReview 01 June 1989 Pages: 210 - 212