1. The 1989 issol meeting

   • James P. Ferris

   Commentary Pages: 1 - 1

2. Oligomerization of deoxynucleoside-bisphosphate dimers: Template and linkage specificity

   • J. Visscher
   • R. van der Woerd
   • Alan W. Schwartz

   OriginalPaper Pages: 3 - 6

3. Thermal synthesis and hydrolysis of polyglyceric acid

   • Arthur L. Weber

   OriginalPaper Pages: 7 - 19

4. Amphiphilic components of the murchison carbonaceous chondrite: Surface properties and membrane formation

   • D. W. Deamer
   • R. M. Pashley

   OriginalPaper Pages: 21 - 38

5. The role of cometary particle Coalescence in chemical evolution

   • V. R. Oberbeck
   • C. P. Mckay
   • J. R. Valentin

   OriginalPaper Pages: 39 - 55

6. Optimization and the genetic code

   • A. Figureau

   OriginalPaper Pages: 57 - 67

7. A possible origin of RNA catalysis in multienzyme complexes

   • Matthew R. Edwards

   OriginalPaper Pages: 69 - 72

8. Book reviews

   • Michael Ruse
   • Scott C. Mohr
   • André Brack

   BookReview Pages: 73 - 78

9. The sixth issol meeting and the ninth international conference on the origin of life HOST: Czechoslovak academy of sciences in co-operation with the faculty of science, J. E. Purkyně university Brno

   Announcement Pages: 79 - 80

10. Erratum

    Erratum Pages: 81 - 81