1. Response functions of free mass gravitational wave antennas

   • Frank B. Estabrook

   Research Articles Pages: 719 - 724

2. On the variation of the effective cosmological term

   • Uwe Kasper

   Research Articles Pages: 725 - 738

3. Globally regular solutions of a schwarzschild black hole and a Reissner-Nordström black hole

   • Shen Wenda
   • Zhu Shitong

   Research Articles Pages: 739 - 746

4. On the tetrad theory of gravity

   • F. Müller-Hoissen
   • J. Nitsch

   Research Articles Pages: 747 - 760

5. A Simple proof of the generalized electrostatic Israel theorem

   • Walter Simon

   Research Articles Pages: 761 - 768

6. On bianchi type-I vacuum solutions inR+R ² theories of gravitation. I. The isotropic case

   • V. Müller
   • H. -J. Schmidt

   Research Articles Pages: 769 - 781

7. Self-interaction and massive vector field in the Schwarzschild space-time

   • B. Leaute
   • B. Linet

   Research Articles Pages: 783 - 798

8. Gravitational perturbation of the Klein-Gordon excited states

   • P. Burcev

   Research Articles Pages: 799 - 804

9. Book review

   • Walter Simon

   BookReview Pages: 805 - 807

10. Book review

    • H. Friedrich
    • H. -J. Seifert
    • S. de Alwis

    BookReview Pages: 809 - 813