1. Expressions for the calculation of isotropic Gaussian filter kernels in the spherical harmonic domain

   • Dimitrios Piretzidis
   • Michael G. Sideris

   OriginalPaper 04 April 2022 Pages: 1 - 22

2. Evaluation of latest marine gravity field models derived from satellite altimetry over the Gulf of Guinea (Central Africa) with shipborne gravity data

   • Paul Gautier Kamto
   • Loudi Yap
   • Joseph Kamguia

   OriginalPaper 04 April 2022 Pages: 23 - 37

3. Rotationally invariant viscoelastic medium with a non-symmetric stiffness matrix

   • Luděk Klimeš

   OriginalPaper 08 February 2022 Pages: 38 - 47

4. Velocity analysis of noisy seismic data based on RSVD weighted semblance

   • Yankai Xu
   • Siyuan Cao
   • Jialiang Zhang

   OriginalPaper 30 April 2022 Pages: 48 - 61

5. Geoelectrical imaging and spatial distribution of alluvial materials of the Sanaga River (Cameroon, Central Africa)

   • Renaud Menanga Tokouet
   • Joseph Quentin Yene Atangana
   • Mike-Franck Mienlam Essi

   OriginalPaper 08 February 2022 Pages: 62 - 79

6. Erratum to “Improving the accuracy of the expanded anisotropic eikonal equation at larger offsets using Levin’s T-transformation”

   • Humbang Purba
   • Awali Priyono
   • Mochamad Apri

   Erratum 04 April 2022 Pages: 80 - 80