1. Non-radial flow near the cometary surface

   • M. L. Marconi
   • D. A. Mendis

   OriginalPaper Pages: 345 - 351

2. Solar wind magnetic field penetration into cometary ionospheres

   • L. S. Marochnik

   OriginalPaper Pages: 353 - 370

3. Trojan-type orbits in the system of two gravitational centers with variable masses and separation

   • B. B. Djakov
   • B. I. Reznikov

   OriginalPaper Pages: 371 - 382

4. The photometric function for Saturn's rings

   • H. Jantunen

   OriginalPaper Pages: 383 - 387

5. Loi de titius-bode et formalisme ondulatoire

   • R. Louise

   OriginalPaper Pages: 389 - 398

6. Bibliography

   • Z. Kopal
   • M. Moutsoulas
   • F. B. Waranius

   Legacy Pages: 399 - 449

7. Book review

   • Josip Kleczek

   BookReview Pages: 455 - 455