1. Symmetries and conservation laws for generalized hamiltonian systems

   • F. Cantrijn
   • W. Sarlet

   OriginalPaper Pages: 645 - 670

2. A generalized field theory. II. Linearized field equations

   • F. I. Mikhail
   • M. I. Wanas

   OriginalPaper Pages: 671 - 680

3. Interpretation of quantum mechanics as a theory of extended particles

   • C. K. Raju

   OriginalPaper Pages: 681 - 696

4. Rotational symmetry and Dirac's monopole

   • Péter A. Horváthy

   OriginalPaper Pages: 697 - 707

5. Some cylindrical symmetric nonstatic perfect fluid distributions in general relativity with pressure equal to density

   • S. R. Roy
   • S. Narain

   OriginalPaper Pages: 709 - 722