1. Indigenous abundances of siderophile elements in the lunar highlands: Implications for the origin of the moon

   • J. W. Delano
   • A. E. Ringwood

   OriginalPaper Pages: 385 - 425

2. Recent advances in planetary magnetism

   • Norman F. Ness

   OriginalPaper Pages: 427 - 439

3. The¹²C/¹³C isotope ratio in comets, stars and interstellar matter

   • Vladimír Vanýsek
   • Jürgen Rahe

   OriginalPaper Pages: 441 - 446

4. On the origin of cometary nuclei in the presolar nebula

   • L. Biermann
   • K. W. Michel

   OriginalPaper Pages: 447 - 464

5. The moon: Composition determined by nebular processes

   • John W. Morgan
   • Jan Hertogen
   • Edward Anders

   OriginalPaper Pages: 465 - 478

6. Distribution of lunar impacts by objects in parabolic low inclination orbits

   • Nils Aall Barricelli
   • Ragnar Thorbjørnsen

   OriginalPaper Pages: 479 - 490

7. On the early history of the asteroids

   • T. A. Heppenheimer

   OriginalPaper Pages: 491 - 498

8. The detrital zone in the shorty crater cores

   • J. Stewart Nagle

   OriginalPaper Pages: 499 - 517