1. Editorial

   • J. Yates

   EditorialNotes Pages: i - i

2. CP and CPT symmetry violations, entropy and the expanding universe

   • Yuval Ne'eman

   OriginalPaper Pages: 1 - 5

3. A comparison of the Mackey and Segal models for quantum mechanics

   • S. Gudder
   • S. Boyce

   OriginalPaper Pages: 7 - 21

4. General relativity and general Lorentz-covariance

   • Hans-Jürgen Treder

   OriginalPaper Pages: 23 - 31

5. Tensorial representation of the Dirac equation

   • Murray Muraskin

   OriginalPaper Pages: 33 - 39

6. A relativistic form of statistical thermodynamics

   • A. Georgiou

   OriginalPaper Pages: 41 - 45

7. Heat, light and relativity

   • Karl Kornacker

   OriginalPaper Pages: 47 - 55

8. Charge moving with the speed of light in Einstein-Maxwell theory

   • W. B. Bonnor

   OriginalPaper Pages: 57 - 65

9. On another formulation of the de Broglie's hidden thermodynamics

   • J. Andrade e Silva
   • J. Vassalo Pereira

   OriginalPaper Pages: 67 - 76

10. The arrow of time

    • Mario Bunge

    Letters' Section Pages: 77 - 79

11. Modalities and the quantum theory

    • David D. Horowitz

    Letters' Section Pages: 79 - 80

12. Mechanism for yielding particles of non-integral charge

    • P. C. M. Yock
    • R. C. Johnson

    Letters' Section Pages: 80 - 82

13. Possible production mechanism for the particles discovered by McCuskeret al.

    • P. C. M. Yock

    Letters' Section Pages: 82 - 83

14. Errata

    Erratum Pages: 83 - 83

15. Errata

    Erratum Pages: 83 - 83