1. Obituary

   Announcement Pages: 266 - 266

2. Dust universes with spatial spherical symmetry and euclidean initial hypersurfaces

   • Ettore Laserra

   OriginalPaper Pages: 267 - 271

3. An invariance principle for one large particle with collisions

   • Ester Gabetta

   OriginalPaper Pages: 272 - 275

4. Viscous effects on the linear stability of a pulsanting bubble in acoustic fields

   • Paolo Blondeaux

   OriginalPaper Pages: 276 - 280

5. Periodic solutions of dynamical systems

   • A. Capozzi
   • D. Fortunato
   • A. Salvatore

   OriginalPaper Pages: 281 - 284

6. On the dynamics of the perturbations in an ionized gas dominated by charge exchange

   • Franco Buttazzoni
   • Aldo Nocentini

   OriginalPaper Pages: 285 - 290

7. Analysis of the static and dynamic behaviour of a magnetic liquid seal

   • Francesco Sorge

   OriginalPaper Pages: 291 - 302

8. Nonlinear behaviour of long-span cable-stayed bridges

   • Domenico Bruno
   • Antonio Grimaldi

   OriginalPaper Pages: 303 - 313

9. Paradoxes in mechanics caused by vibrations

   • V. N. Chelomey

   Brief Notes Pages: 314 - 316

10. 8° Congresso Nazionale Aimeta

    Report Pages: 317 - 317

11. Book Reviews

    • Leone Corradi

    BookReview Pages: 318 - 318

12. Primi elementi di dinamica delle strutture

    • Giuseppe Oliveto

    New Books Pages: 318 - 318

13. Calendar

    Events Pages: 319 - 321

14. The parallelogram of forces

    • Edoardo Benvenuto

    Errata Corrige Pages: 322 - 322