A General-Relativistic Fermat Principle for Extended Light Sources and Extended Receivers Volker PerlickPaolo Piccione OriginalPaper Pages: 1461 - 1476
On the Global Visibility of the Singularity in Quasi-Spherical Collapse S. S. DeshingkarS. JhinganP. S. Joshi OriginalPaper Pages: 1477 - 1499
The Dynamical Instability of Static, Spherically Symmetric Solutions in Nonsymmetric Gravitational Theories M. A. ClaytonL. DemopoulosJ. Légaré OriginalPaper Pages: 1501 - 1520
Lax Pair Tensors and Integrable Spacetimes Kjell RosquistMartin Goliath OriginalPaper Pages: 1521 - 1534
General Behaviour of Bianchi VI0 Solutions with an Exponential-Potential Scalar Field Luis P. ChimentoPablo Labraga Letter Pages: 1535 - 1541
BOOK REVIEW: Quantum Relativity. A Synthesis of the Ideas of Einstein and Heisenberg, by D. R. Finkelstein Andrea Barbieri BookReview Pages: 1549 - 1551