1. Announcement

   • J. Demongeot

   Announcement Pages: i - i

2. An elementary approach to cell cycle analysis

   • C. Wiedemann
   • H. A. Moser

   OriginalPaper Pages: 205 - 236

3. Model structure of a fragment of biological knowledge (cell motility)

   • Jan Doroszewski
   • Andrzej Delegacz

   OriginalPaper Pages: 237 - 266

4. Evolutionary implication of genetic code deviations

   • Julian Chela-Flores

   OriginalPaper Pages: 267 - 279

5. Competitive exclusion, coexistence and community structure

   • G. H. Walter

   OriginalPaper Pages: 281 - 313

6. Evolutionary and classical concepts of homology: A reply to Aboitiz

   • Mark Wilkinson

   Ideas in Theoretical Biology Pages: 315 - 319

7. Reviews

   • Cor van der Weele
   • Francisco Aboitiz

   BookReview Pages: 321 - 327