1. Information

   Announcement Pages: 1 - 1

2. Is binocular visual space constantly curved?

   • J. -H. Eschenburg

   OriginalPaper Pages: 3 - 22

3. Population models in a periodically fluctuating environment

   • S. Rosenblat

   OriginalPaper Pages: 23 - 36

4. Integral equation models for endemic infectious diseases

   • Herbert W. Hethcote
   • David W. Tudor

   OriginalPaper Pages: 37 - 47

5. Spatial segregation in competitive interaction-diffusion equations

   • Masayasu Mimura
   • Kohkichi Kawasaki

   OriginalPaper Pages: 49 - 64

6. Lotka-Volterra equations: Decomposition, stability, and structure

   • M. Ikeda
   • D. D. Šiljak

   OriginalPaper Pages: 65 - 83

7. Spatial distribution of dispersing animals

   • Nanako Shigesada

   OriginalPaper Pages: 85 - 96

8. Erratum

   Erratum Pages: 97 - 97

9. Announcement

   Announcement Pages: 99 - 99