1. On the geometric structure of nonstationary multisoliton vacuum metrics with real pole trajectories on a general background

   • Mario C. Díaz
   • Reinaldo J. Gleiser

   Research Articles Pages: 517 - 526

2. General and unified solution for perfect fluid homogeneous and isotropie cosmological models

   • M. J. D. Assad
   • J. A. Sales de Lima

   Research Articles Pages: 527 - 538

3. Cosmological models in a Kaluza-Klein theory with variable rest mass

   • J. Ponce de Leon

   Research Articles Pages: 539 - 550

4. On potentials for several classes of spinor and tensor fields in curved spacetimes

   • Reinhard Illge

   Research Articles Pages: 551 - 564

5. A singularity-free cosmological model in ECSK theory

   • R. Jha
   • E. A. Lord
   • K. P. Sinha

   Research Articles Pages: 565 - 571

6. The event horizons of two Schwarzschild black holes

   • N. T. Bishop

   Research Articles Pages: 573 - 581

7. The quantum cosmology in the Brans-Dicke theory

   • Liao Liu
   • Chao -Guang Huang

   Research Articles Pages: 583 - 587

8. Comments on a paper by Collinson

   • Alberto García Díaz

   Research Articles Pages: 589 - 594

9. Landau-Lifshitz fluctuations in heterotic superstring evaporation

   • Diego Pavón

   Research Articles Pages: 595 - 601

10. Note on Kantowski-Sachs spacetimes

    • R. J. Torrence
    • W. E. Couch

    Research Articles Pages: 603 - 606

11. An exact solution of Einstein's equations for two particles falling freely in an external gravitational field

    • W. B. Bonnor

    Research Articles Pages: 607 - 622