1. The Heisenberg ferromagnet as a quantum field theory

   • R. F. Streater

   OriginalPaper Pages: 233 - 247

2. Noether equations and conservation laws

   • Andrzej Trautman

   OriginalPaper Pages: 248 - 261

3. On the algebraic structure of quantum mechanics

   • J. Gunson

   OriginalPaper Pages: 262 - 285

4. Nonrelativistic particles and wave equations

   • Jean-Marc Lévy-Leblond

   OriginalPaper Pages: 286 - 311

5. Complete sets of solutions of linear Lorentz covariant field equations with an infinite number of field components

   • W. Rühl

   OriginalPaper Pages: 312 - 342