1. Imaging surface atomic layers by means of auger electrons

   • Nikola Batina
   • Oliver M. R. Chyan
   • Arthur T. Hubbard

   OriginalPaper 01 December 1990 Pages: 557 - 560

2. Hierarchien in der Struktur und Funktion von sauerstoffbindenden Proteinen

   • Heinz Decker
   • Reinhard Sterner

   OriginalPaper 01 December 1990 Pages: 561 - 568

3. Leitlinien einer Ethik der Gentechnik

   • Bernhard Irrgang

   OriginalPaper 01 December 1990 Pages: 569 - 577

4. Structure and transformation of the major coal porphyrins

   • F. Czechowski
   • L. Latos-Grażynski

   Short Communications 01 December 1990 Pages: 578 - 581

5. A series of hypothetical building units generating open zeolite-type nets

   • S. Hansen

   Short Communications 01 December 1990 Pages: 581 - 584

6. Do fungi building limestones exist in semi-arid regions?

   • E. P. Verrecchia
   • J. -L. Dumont
   • K. E. Rolko

   Short Communications 01 December 1990 Pages: 584 - 586

7. Female-attracting property of urinary compounds in male mice

   • K. Ninomiya
   • T. Kimura

   Short Communications 01 December 1990 Pages: 586 - 588

8. Chemical defense ofEudia (Saturnia) pavonia caterpillars

   • R. Deml
   • K. Dettner

   Short Communications 01 December 1990 Pages: 588 - 590

9. The effect of ricin on the mixed function microsomal oxidase system in the rat liver

   • G. A. Balint

   Short Communications 01 December 1990 Pages: 590 - 591

10. Evidence for subsociality and division of labor in a desert tenebrionid beetleParastizopus armaticeps peringuey

    • O. A. E. Rasa

    Short Communications 01 December 1990 Pages: 591 - 592

11. Chemoreception in astigmatid mites

    • W. S. Leal
    • F. Mochizuki

    Short Communications 01 December 1990 Pages: 593 - 594

12. Waggle dances of honey bees

    • F. Goller
    • H. E. Esch

    Short Communications 01 December 1990 Pages: 594 - 595

13. The preparation of very pure boron iodide

    • A. G. Briggs
    • R. E. Simmons

    Short Communications 01 December 1990 Pages: 595 - 597

14. Buchbesprechungen

    • L. Jaenicke
    • H. Pfanz
    • P. Möller

    BookReview 01 December 1990 Pages: 597 - 598

15. Naturwissenschaften aktuell

    News 01 December 1990 Pages: 599 - 601

16. Balzan-Preis 1990

    Legacy 01 December 1990 Pages: 602 - 602