1. The gravity of cosmic loops

   • Tanmay Vachaspati

   Research Articles Pages: 1053 - 1058

2. Characterization of standard clocks by means of light rays and freely falling particles

   • Volker Perlick

   Research Articles Pages: 1059 - 1073

3. Vorticity and isotropic singularities

   • Stephen W. Goode

   Research Articles Pages: 1075 - 1082

4. The thermodynamics of a system containing two black holes and black-body radiation

   • N. T. Bishop
   • P. T. Landsberg

   Research Articles Pages: 1083 - 1090

5. Causal measurability in chronological spaces

   • L. B. Szabados

   Research Articles Pages: 1091 - 1100

6. The Doppler response to gravitational waves from a binary star source

   • Hugo Wahlquist

   Research Articles Pages: 1101 - 1113

7. A lagrangian formulation of high-spin fields coupled to gravity

   • A. Al-Saad
   • I. M. Benn
   • R. W. Tucker

   Research Articles Pages: 1115 - 1125

8. The quality factor of approximate solutions of Einstein's equations

   • Lluis Bel

   Research Articles Pages: 1127 - 1130

9. Comment on conformally Ricci-flat perfect fluids of Petrov-typeN

   • N. Van den Bergh

   Research Articles Pages: 1131 - 1135

10. Three-dimensional space-times

    • G. S. Hall
    • T. Morgan
    • Z. Perjés

    Research Articles Pages: 1137 - 1147

11. A note on a paper by Massa and Pagani

    • S. B. Edgar

    Research Articles Pages: 1149 - 1150

12. Book review

    • Bernard Schutz
    • C. V. Vishveshwara

    BookReview Pages: 1151 - 1155

13. Book review

    • S. Reandjbar-Daemi
    • Hans -Jürgen Schmidt

    BookReview Pages: 1157 - 1160

14. Announcement

    Announcement Pages: 1161 - 1161