1. Dr. Willem Wamsteker

   • Harry Blom
   • Sonja Japenga

   EditorialNotes Pages: 1 - 1

2. Head-on Collision of Disk–Sphere Galaxies

   • P. M. S. Namboodiri
   • K. S. Sastry
   • K. S. V. V. S. Narasimhan

   Original Article Pages: 3 - 9

3. Stability in Period and Amplitude: The High-Amplitude δ Scuti Star YZ Boötis

   • Ai-Ying Zhou

   Original Article Pages: 11 - 20

4. Scattering Properties and Composition of Cometary Dust

   • Ranjan Gupta
   • D. B. Vaidya
   • Petr Chylek

   Original Article Pages: 21 - 31

5. SCR Distribution Function in the Radial IMF Approximation

   • Yurij I. Fedorov
   • Milan Stehlik

   Original Article Pages: 33 - 41

6. The Momentum 4-Vector Imparted by Gravitational Waves in Bianchi-Type Metrics

   • Ali Havare
   • Murat Korunur
   • Mustafa Salti

   Original Article Pages: 43 - 46

7. Cosmological Model with a Viscous Fluid in a Kaluza-Klein Metric

   • F. Rahaman
   • B. C. Bhui
   • B. Bhui

   Original Article Pages: 47 - 49

8. Equilibrium Structures of Differentially Rotating and Tidally Distorted White Dwarf Models of Stars

   • Arvind Kumar Lal
   • C. Mohan
   • V. P. Singh

   Original Article Pages: 51 - 60

9. Λ Varying Cosmological Models with Viscous Fluid

   • S. B. Dutta Choudhury
   • A. Sil

   Original Article Pages: 61 - 64

10. Radio, Hard X-Ray, EUV and Optical Study of September 9, 2002 Solar Flare

    • Guangli Huang
    • Ji Haisheng

    Original Article Pages: 65 - 71

11. Higher Dimensional FRW Cosmological Models in Self-Creation Theory

    • R. Venkateswarlu
    • K. Pavan Kumar

    Original Article Pages: 73 - 77

12. Einstein–Rosen Universe in a Scalar-Tensor Theory of Gravitation

    • D. R. K. Reddy
    • CH. C. S. V. V. R. Murthy
    • R. Venkateswarlu

    Original Article Pages: 79 - 82

13. Inhomogeneous Cylindrically-Symmetric Models with Varying Cosmological Term

    • Can Battal Kilinç

    Original Article Pages: 83 - 88

14. Differential Rotation in Self Gravitating Filaments

    • Ajitpal Kaur
    • N. K. Sood
    • K. D. Singh

    Original Article Pages: 89 - 96

15. Numerical Investigation of the Galactic Problem by Computing Families of Periodic Solutions

    • C. L. Goudas
    • K. E. Papadakis
    • G. A. Katsiaris

    Original Article Pages: 97 - 116

16. Quasars Associated with NGC 613, NGC 936 and NGC 941

    • H. Arp

    Original Article Pages: 117 - 126

17. Some Bianchi Type I Viscous Fluid Cosmological Models with a Variable Cosmological Constant

    • Anirudh Pradhan
    • Purnima Pandey

    Original Article Pages: 127 - 134

18. Comet Hale-Bopp (C/1995 O1): UVSTAR-FUV Spectroscopy from the Space Shuttle

    • Cristiano B. Cosmovici
    • Vojko Bratina
    • Roberto Stalio

    Original Article Pages: 135 - 143

19. Brans–Dicke Scalar Tensor Theory and de Broglie–Bohm Particle Interpretation

    • Hosein Ghafarnejad

    Original Article Pages: 145 - 148

20. On Plane Symmetric Domain Walls and Cosmic Strings in Bimetric Theory

    • D. R. K. Reddy
    • K. S. Adhao
    • S. D. Katore

    Original Article Pages: 149 - 151

21. The Photon Mean Free Path Sphere, The Minimum Energy, and the Masses of the Main Elementary Particles

    • A. Dinculescu

    Original Article Pages: 153 - 155

22. Asymptotic and Periodic Orbits Around L₃ in the Photogravitational Restricted Three-Body Problem

    • V. S. Kalantonis
    • E. A. Perdios
    • O. Ragos

    Original Article Pages: 157 - 165

23. On the Reliability of Merger-Trees and the Mass-Growth Histories of Dark Matter Haloes

    • N. Hiotelis
    • A. Del Popolo

    Original Article Pages: 167 - 177

24. The Restricted Three-Body Problem: Comments on the Rotational Effect

    • Rodica Roman
    • Sorin Adrian Roman

    Original Article Pages: 179 - 184

25. On Kantowski–Sachs Cosmological Models in Bimetric Theory of Gravity

    • D. R. K. Reddy
    • R. L. Naidu

    Original Article Pages: 185 - 187

26. Spiral Galaxies as Chiral Objects?

    • S. Capozziello
    • A. Lattanzi

    Original Article Pages: 189 - 193

27. Photometric Analysis of Southern Contact Binary Stars III: NSV 3497 and NSV 13890

    • Surjit S. Wadhwa

    Original Article Pages: 195 - 197