1. On linearity in the special theory of relativity

   • M. Dutta
   • T. K. Mukherjee
   • M. K. Sen

   OriginalPaper Pages: 85 - 91

2. Orbital restriction on the functional form of the Lagrangian

   • Shigeji Fujita

   OriginalPaper Pages: 93 - 98

3. Projective representations of quantum logics

   • Stanley P. Gudder

   OriginalPaper Pages: 99 - 108

4. Realisations of the representations of para-Fermi algebra in Fock space of Bose operators: part I

   • K. Kademova

   OriginalPaper Pages: 109 - 114

5. Realisations of the representations of para-Fermi algebra in Fock space of Bose operators: part II

   • K. Kademova
   • A. J. Kálnay

   OriginalPaper Pages: 115 - 118

6. How measurement information depends on time

   • Vladimír Majerník

   OriginalPaper Pages: 119 - 131

7. Gravitational and inertial mass of bodies of interacting electrical charges

   • K. Nordtvedt Jr.

   OriginalPaper Pages: 133 - 139

8. A sum rule for the rare decay modes of kaons

   • Prakash Chand

   OriginalPaper Pages: 141 - 144

9. Mach's principle and Newtonian mechanics

   • Solomon L. Schwebel

   OriginalPaper Pages: 145 - 152

10. Mass and total decay rate of unstable particles in quantum field theory

    • Michael Ram

    OriginalPaper Pages: 153 - 164

11. On a quantum-like structure of classical mechanics

    • V. Alonso
    • A. J. Kálnay
    • J. D. Mujica

    ‘Letters’ Section Pages: 165 - 166

12. On the localization problem

    • A. J. Kálnay
    • P. Torres

    ‘Letters’ Section Pages: 167 - 168

13. Relativistic theory of the elastic dielectric

    • D. Salt

    ‘Letters’ Section Pages: 168 - 170