1. Publishers' Note

   Legacy Pages: 1 - 1

2. Expansion of the planetary Hamiltonian function

   • Osman M. Kamel
   • Adel S. Soliman

   OriginalPaper Pages: 3 - 45

3. Generalized theory of impacts in particulate systems

   • K. A. Hämeen-Anttila
   • Heikki Salo

   OriginalPaper Pages: 47 - 84