1. Ab initio molecular orbital calculations on large lattice cluster models: Use of translational symmetry

   • Tapani A. Pakkanen
   • Juha Muilu

   OriginalPaper Pages: 285 - 296

2. Equivariant Morse theory of theN-body problem: Application to potential surfaces in chemistry

   • Daniel Liotard
   • Michel Rérat

   OriginalPaper Pages: 297 - 313

3. Spin-orbit coupling coefficients for icosahedral molecules

   • P. W. Fowler
   • A. Ceulemans

   OriginalPaper Pages: 315 - 342

4. Theoretical study of Mills-Nixon effect in naphthocyclobutenes and -cyclobutadienes

   • M. Hodošček
   • D. Kovaček
   • Z. B. Maksić

   OriginalPaper Pages: 343 - 351

5. Structure and properties of non-classical polymers

   • N. Tyutyulkov
   • F. Dietz
   • S. Karabunarliev

   OriginalPaper Pages: 353 - 367