1. On the free oscillations of a laterally heterogeneous earth model

   • Jafar Arkani-Hamed

   OriginalPaper Pages: 5 - 17

2. Spectral techniques for the analysis of tidal time series

   • M. Bozzi Zadro
   • G. Poretti

   OriginalPaper Pages: 18 - 26

3. Elastic waves from a circular disc source

   • K. Viswanathan
   • Rathindra Nath Biswas

   OriginalPaper Pages: 27 - 33

4. OnLamb's problem: Line load suddenly applied in a magneto-elastic initially stressed conducting half-space

   • Ramgopal Roy
   • P. R. Sen Gupta

   OriginalPaper Pages: 34 - 39

5. Perturbation of eigenfrequencies of a cylinder due to a ridge on the surface

   • G. S. Murty
   • G. J. Nair

   OriginalPaper Pages: 40 - 47

6. Wave-propagation in biaxially-stressed elastic media

   • A. J. Willson

   OriginalPaper Pages: 48 - 58

7. Deformation and stresses in a non-homogeneous earth-model with a rigid core

   • J. G. Chakravorty

   OriginalPaper Pages: 59 - 66

8. SH-wave propagation in anisotropic inhomogeneous crustal layer

   • S. K. Upadhyay
   • O. P. Gupta

   OriginalPaper Pages: 67 - 74

9. On the torsional vibration of a finite circular cylinder of non-homogeneous material by a particular type of twist on one of its plane ends

   • A. K. Mitra
   • Purabi Mukherji

   OriginalPaper Pages: 75 - 79

10. A contribution to the statistical analysis of Zagreb earthquakes in the period 1869–1968

    • Berislav Makjanić

    OriginalPaper Pages: 80 - 88

11. Comparison of microseisms of Cuban and Central European stations

    • Uwe Walzer

    OriginalPaper Pages: 89 - 98

12. Aftershocks of February 19, 1968 earthquake in Northern Aegean Sea and related problems

    • J. C. Drakopoulos
    • A. C. Ekonomides

    OriginalPaper Pages: 100 - 115

13. Wave propagation in a uniformly rotating fluid

    • Lokenath Debnath

    OriginalPaper Pages: 116 - 125

14. First-order irrotationality in Gerstner's trochoidal waves

    • Irving Michelson

    OriginalPaper Pages: 126 - 130

15. Lunar and luni-solar variations of the geomagnetic field in the Indian region

    • D. R. K. Rao

    OriginalPaper Pages: 131 - 140

16. Maximum likelihood (ML) estimation of depth from the spectrum of aeromagnetic fields

    • Prabhakas S. Naidu

    OriginalPaper Pages: 141 - 149

17. The sub-surface magnetic fields produced by a line current source on a non-flat earth

    • James R. Wait
    • R. E. Wilkerson

    OriginalPaper Pages: 150 - 156

18. On calculating transient electromagnetic fields of a small current-carrying loop over a homogeneous earth

    • James R. Wait
    • R. H. Ott

    OriginalPaper Pages: 157 - 162

19. On the maintenance of the axisymmetric part of the flow in the atmosphere

    • Jacques Derome
    • A. Wiin-Nielsen

    OriginalPaper Pages: 163 - 185

20. Power spectrum analysis of atmospheric ozone during the summer

    • J. Chattopadhyay
    • H. S. Rathor

    OriginalPaper Pages: 186 - 193

21. Effects of the earth's rotation and the balance of zonal kinetic energy

    • Richard D. Rosen

    OriginalPaper Pages: 194 - 220

22. The atmospheric electric fog effect at de bilt

    • W. P. A. G. Ottevanger

    OriginalPaper Pages: 221 - 225

23. Über die Struktur des Windfeldes in konvektiven baroklinen planetarischen Grenzschichten

    • H. Griesseier

    OriginalPaper Pages: 226 - 241