1. On estimating frequency-magnitude relations from heterogeneous catalogs

   • Stefano Tinti
   • Rossella Rimondi
   • Francesco Mulargia

   OriginalPaper Pages: 1 - 18

2. Scaling relationships for the near-fieldP-SV ground motion

   • M. Radulian
   • C-I. Trifu

   OriginalPaper Pages: 19 - 40

3. Polynomial smoothing of quiet-time magnetic variations for an irregularly spaced array of sites

   • Michael L. Rossen
   • John F. Hermance

   OriginalPaper Pages: 41 - 65

4. The secular variation of the geomagnetic field in Egypt in the last 5000 years

   • A. Gouda Hussain

   OriginalPaper Pages: 67 - 90

5. Etude et Mise au Point d'un Microdébitmetre Très Sensible et à Haute Résolution Applications à des Mesures et à des Tests au Sol

   • H. Bardeau
   • A. Druilhet
   • M. Liousse

   OriginalPaper Pages: 91 - 108

6. Investigation of relationship between cloudiness and global radiation using METEOSAT images

   • A. Paál

   OriginalPaper Pages: 109 - 120

7. On the variation of temperature structure parameter in cloud- and clear-air during the summer monsoon season

   • P. C. S. Devara
   • K. G. Vernekar
   • Bh. V. Ramana Murty

   OriginalPaper Pages: 121 - 129

8. Prediction possibilities of Arosa total ozone

   • R. P. Kane

   OriginalPaper Pages: 131 - 145

9. Annual and semiannual oscillations of stratospheric ozone

   • Kaichi Maeda

   OriginalPaper Pages: 147 - 165

10. Variations in trace gas concentrations in different environments in India

    • L. T. Khemani
    • G. A. Momin
    • Gurumukh Singh

    OriginalPaper Pages: 167 - 181

11. Book review

    • Charles G. Sammis
    • Anil Suri
    • Brian F. Farrell

    BookReview Pages: 183 - 189

12. Book review

    • Brian F. Farell

    BookReview Pages: 191 - 191