1. Conformal hyperbolicity of Lorentzian warped products

   • Michael J. Markowitz

   Research Articles Pages: 1095 - 1105

2. Clocks and gravity

   • Alan A. Coley

   Research Articles Pages: 1107 - 1114

3. Electric charge in the Kruskal space-time and the Jeans conjecture

   • M. Demianski
   • I. D. Novikov

   Research Articles Pages: 1115 - 1130

4. Measurability analysis of the linearized gravitational field

   • P. G. Bergmann
   • G. J. Smith

   Research Articles Pages: 1131 - 1166

5. The unified field theory, combining Kaluza's five-dimensional and Weyl's conformal theories

   • Yu. S. Vladimirov

   Research Articles Pages: 1167 - 1181

6. General solution for flat-space longitudinal momentum

   • Jeffrey M. Bowen

   Research Articles Pages: 1183 - 1191

7. Brinkmann's theorem in general relativity

   • W. D. Halford

   Research Articles Pages: 1193 - 1195

8. Book review

   • Bernard S. Kay

   BookReview Pages: 1197 - 1199

9. Announcement

   • A. Pascolini

   Announcement Pages: 1201 - 1201