1. Probing the presently tenuous link between comets and the origin of life

   • R. W. Hobbs
   • J. M. Hollis

   OriginalPaper Pages: 125 - 132

2. Study on the chemical evolution of low molecular weight compounds in a highly oxidized atmosphere using electric discharges

   • Keizo Kawamoto
   • Mitsuhiko Akaboshi

   OriginalPaper Pages: 133 - 141

3. Nucleoside and deoxynucleoside phosphorylation in formamide solutions

   • Allen M. Schoffstall
   • Robert J. Barto
   • David L. Ramos

   OriginalPaper Pages: 143 - 151

4. Formation and catalytic activity of high molecular weight soluble polymers produced by heating amino acids in a modified sea medium

   • Hiroyuki Okihana

   OriginalPaper Pages: 153 - 163

5. Evolutionary roots of catalysis by nicotinamide and flavins in C-H oxidoreductases and in photosynthesis

   • Cornelis M. Visser

   OriginalPaper Pages: 165 - 179

6. The possible role of assignment catalysts in the origin of the genetic code

   • Vahe Bedian

   OriginalPaper Pages: 181 - 204

7. Remarks on origins of biomolecular asymmetry

   • Liu Wei-Min

   OriginalPaper Pages: 205 - 209

8. The meaning of chiral conventions

   • N. W. Pirie

   BriefCommunication Pages: 211 - 213

9. Amino acids from the Late Precambrian Thule Group, Greenland

   • Masahiko Akiyama
   • Akira Shimoyama
   • Cyril Ponnamperuma

   OriginalPaper Pages: 215 - 227

10. Book reviews

    • Norman Metzger
    • Robin L. Oliveri

    BookReview Pages: 229 - 231

11. Announcements

    Announcement Pages: 233 - 234