1. Measurement of proper time in a Weyl space

   • Egon Köhler

   Research Article Pages: 953 - 959

2. The nonlinear graviton in interaction with a photon

   • Edward J. Flaherty Jr.

   Research Article Pages: 961 - 978

3. Magnetohydrodynamics and cosmology

   • Giuseppe Arcidiacono

   Research Article Pages: 979 - 986

4. Twistors and linearized Einstein theory on plane-fronted impulsive wave backgrounds

   • G. E. Curtis

   Research Article Pages: 987 - 997

5. Ultrarelativistic black-hole encounters

   • G. E. Curtis

   Research Article Pages: 999 - 1008

6. On algebraically special space-times with twisting rays

   • Garry Ludwig

   Research Article Pages: 1009 - 1019

7. A reconstruction in Minkowskian space-time of Einstein's assembly of test particles

   • P. A. Hogan

   Research Article Pages: 1021 - 1030

8. On geometrodynamics with tetrad fields

   • Marc Henneaux

   Research Article Pages: 1031 - 1045

9. Erratum

   Erratum Pages: 1047 - 1047