1. Optical co-ordinates in general relativity 1 — An axiomatic approach

   • Giacomo Caviglia
   • Carlo Ferretti

   OriginalPaper Pages: 3 - 8

2. Uniqueness of M.H.D. thermodiffusive mixture flows with hall and ion-slip effects

   • Michele Maiellaro

   OriginalPaper Pages: 9 - 14

3. Absence of turbulence in a unidimensional model of fluid motion (Burgers model)

   • Carlo Boldrighini
   • Livio Triolo

   OriginalPaper Pages: 15 - 18

4. Determination of absolute retardations by vectorial reconstruction

   • Augusto Ajovalasit
   • Nicola Bàmbina
   • Vincenzo Martorana

   OriginalPaper Pages: 19 - 23

5. On a stability condition for elastic plastic structures

   • Leone Corradi

   OriginalPaper Pages: 24 - 37

6. Characterization of the weakly rigid motions in linear kinematics of cosserat surfaces

   • Cesare Davini

   OriginalPaper Pages: 38 - 41

7. Direct analitical solution for turbulent pipe-flow problems

   • Gerardo Bonvissuto

   Brief Notes Pages: 42 - 44

8. News briefs

   News Pages: 45 - 46