1. Theoretical interstellar and prebiotic organic chemistry: A tentative methodology

   • R. Caballol
   • R. Carbo
   • J. M. Riera

   OriginalPaper Pages: 163 - 173

2. Vulcanism, mercury-sensitized photo-reactions and abiogenetic synthesis: A theoretical treatment

   • Sanford M. Siegel
   • Barbara Z. Siegel

   OriginalPaper Pages: 175 - 181

3. Glycine and alanine synthesis from formaldehyde and hydroxylamine in the field of ultrasound waves

   • A. Sokolskaya

   OriginalPaper Pages: 183 - 185

4. Formation of amino acids by cobalt-60 irradiation of hydrogen cyanide solutions

   • Michael A. Sweeney
   • Anthony P. Toste
   • Cyril Ponnamperuma

   OriginalPaper Pages: 187 - 189

5. Formation of biologically relevant carboxylic acids during the gamma irradiation of acetic acid

   • Alicia Negron-Mendoza
   • Cyril Ponnamperuma

   OriginalPaper Pages: 191 - 196

6. Prebiotic condensation reactions in an aqueous medium: A review of condensing agents

   • Josée Hulshof
   • Cyril Ponnamperuma

   OriginalPaper Pages: 197 - 224

7. A cybernetic approach to the origin of the genetic coding mechanism

   • V. A. Ratner
   • A. G. Batchinsky

   OriginalPaper Pages: 225 - 228

8. A cybernetic approach to the origin of the genetic coding mechanism

   • A. G. Batchinsky
   • V. A. Ratner

   OriginalPaper Pages: 229 - 233

9. The palirrhotrophic origin of energy metabolism

   • J. W. Yčas

   OriginalPaper Pages: 235 - 238

10. Hydrocarbons obtained by pyrolysis of some precambrian rocks of minnesota

    • F. M. Swain
    • J. Baysinger
    • J. M. Bratt

    OriginalPaper Pages: 239 - 257

11. On the significance of tetrahedral tetrads of Precambrian algal cells

    • J. H. Oehler
    • D. Z. Oehler
    • M. D. Muir

    OriginalPaper Pages: 259 - 267

12. Chemische Evolution und der Ursprung lebender Systeme

    • Wolfram Thiemann

    Book Review Pages: 269 - 270

13. The origin and evolution of the Viking mission to Mars

    • Richard S. Young

    BriefCommunication Pages: 271 - 272

14. General constraints on the Viking biology investigation

    • Harold P. Klein

    OriginalPaper Pages: 273 - 279

15. The pyrolytic release experiment: Measurement of carbon assimilation

    • Jerry S. Hubbard

    OriginalPaper Pages: 281 - 292

16. Labeled release — An experiment in radiorespirometry

    • Gilbert V. Levin
    • Patricia Ann Straat

    OriginalPaper Pages: 293 - 311

17. The search for life on Mars: Viking 1976 gas changes as indicators of biological activity

    • V. I. Oyama
    • B. J. Berdahl
    • H. S. Ginoza

    OriginalPaper Pages: 313 - 333