1. The origin of optical asymmetry on earth

   • T. L. V. Ulbricht

   OriginalPaper Pages: 303 - 315

2. Nonlinear mathematical models for the origin of asymmetry in biological molecules

   • Adolf R. Hochstim

   OriginalPaper Pages: 317 - 366

3. Asymmetric adsorption by quartz: A model for the prebiotic origin of optical activity

   • William A. Bonner
   • Percy R. Kavasmaneck
   • Jose J. Flores

   OriginalPaper Pages: 367 - 376

4. The temperature dependences of some types of gaseous ionic reactions of astrochemical interest

   • M. Meot-Ner
   • F. H. Field

   OriginalPaper Pages: 377 - 393

5. Fluorescence detection of organic molecules in the Jovian atmosphere

   • Joel S. Levine
   • Robert S. Rogowski

   OriginalPaper Pages: 395 - 399

6. Synthesis of biological molecules on molecular sieves

   • G. Poncelet
   • A. T. Van Assche
   • J. J. Fripiat

   OriginalPaper Pages: 401 - 406

7. Polymerization of amino acid methyl esters via their copper complexes

   • A. Brack
   • D. Louembe
   • G. Spach

   OriginalPaper Pages: 407 - 411

8. Primary catalytic systems of biogenesis and structure-functional evolution of biocatalysers

   • G. Georgiev
   • N. Bakardjieva

   OriginalPaper Pages: 413 - 421

9. Speculations on the evolution of the genetic code

   • Hyman Hartman

   OriginalPaper Pages: 423 - 427

10. Exponential kinetics of formation of organic microstructures

    • Clarence L. Fraser
    • C. E. Folsome

    OriginalPaper Pages: 429 - 433

11. On the evolution of the photosynthetic pigments

    • V. B. Evstigneev

    OriginalPaper Pages: 435 - 439

12. On the origin of plastids

    • M. S. Odintsova
    • N. P. Yurina

    OriginalPaper Pages: 441 - 446

13. On terminology in origin of life studies

    • Dean H. Kenyon

    BriefCommunication Pages: 447 - 448

14. An extract from a letter of an associate editor related to the preceding controversy

    • Richard M. Lemmon

    BriefCommunication Pages: 449 - 449

15. Book reviews

    • George B. Field
    • Peter Schuster
    • Lynn Margulis

    BookReview Pages: 451 - 454

16. International Symposium on Generation and Amplification of Asymmetry in Chemical Systems Jülich, September 24–26, 1973

    • W. Thiemann

    Conference Reports Pages: 455 - 457

17. Stanford Workshop on Extraterrestrial civilization Opening a new Scientific Dialog

    • J. B. Carlson
    • P. A. Sturrock

    Conference Reports Pages: 459 - 470

18. Boris Rajewsky

    • Klaus Dose

    In Memoriam Pages: 471 - 471

19. Announcement

    Announcement Pages: 472 - 472