1. Fields on the Poincaré Group: Arbitrary Spin Description and Relativistic Wave Equations

   • D. M. Gitman
   • A. L. Shelepin

   OriginalPaper Pages: 603 - 684

2. Pseudoeffect Algebras. I. Basic Properties

   • Anatolij Dvurečenskij
   • Thomas Vetterlein

   OriginalPaper Pages: 685 - 701

3. Pseudoeffect Algebras. II. Group Representations

   • Anatolij Dvurečenskij
   • Thomas Vetterlein

   OriginalPaper Pages: 703 - 726

4. Congruences of Dislocations in Continuously Dislocated Crystals

   • A. Trzęsowski

   OriginalPaper Pages: 727 - 753

5. Classical Projections of Quantum Mechanics and the Limit ħ → 0

   • Marcel Polakovič

   OriginalPaper Pages: 755 - 765

6. Erratum: Limit of Classical Projections of Quantum Mechanics as ħ → 0

   • Marcel Polakovič

   OriginalPaper Pages: 767 - 767