1. A natural one-form for the Schouten concomitant

   • F. J. Bloore
   • M. Assimakopoulos

   OriginalPaper Pages: 233 - 238

2. Generalization of Gleason's theorem

   • Thomas Drisch

   OriginalPaper Pages: 239 - 243

3. Extended Feynman formula for harmonic oscillator

   • P. A. Horváthy

   OriginalPaper Pages: 245 - 250

4. A new approach to Einstein-Petrov type i spaces

   • S. B. Edgar

   OriginalPaper Pages: 251 - 270

5. Nonlinear diffusion of vacancies in a crystal

   • Hiroaki Hara
   • Shigeji Fujita
   • Ryuzo Watanabe

   OriginalPaper Pages: 271 - 277

6. Riemannian curvature and the classification of the Riemann and Ricci tensors in space-time

   • W. J. Cormack
   • G. S. Hall

   OriginalPaper Pages: 279 - 289

7. Nonlinear lagrangians and Einstein spaces

   • H. F. Goenner

   OriginalPaper Pages: 291 - 293

8. Difference of observability between classical electromagnetic and gravitational gauge fields

   • M. Asorey
   • L. J. Boya

   OriginalPaper Pages: 295 - 304

9. Is quantized electric charge a purely electromagnetic phenomenon?

   • Gerald Rosen

   OriginalPaper Pages: 305 - 308