1. Enhanced Li⁺ binding energies of some azines: a molecular orbital study

   • Manuel Alcamí
   • Otilia Mó
   • Manuel Yáñez

   OriginalPaper Pages: 1 - 15

2. An energy criterion for determiningd orbital contribution to adsorbate bonding to a transition metal: CO/Fe₁₂

   • George Blyholder
   • Michael Lawless

   OriginalPaper Pages: 17 - 28

3. Direct evaluation of one-electron properties in coupled cluster methods

   • Miroslav Urban
   • Geerd H. F. Diercksen
   • Jozef Noga

   OriginalPaper Pages: 29 - 37

4. Semiempirical study of electronic and bonding properties of iron silicide clusters

   • Leonardo J. Rodríguez
   • Fernando Ruette
   • Antonio J. Hernández

   OriginalPaper Pages: 39 - 56

5. Isoelectronic changes in energy of quark atoms and molecules via the Levy equation

   • K. D. Sen
   • Jorge M. Seminario

   OriginalPaper Pages: 57 - 60

6. Book reviews

   • W. Kutzelnigg
   • W. H. E. Schwarz

   BookReview Pages: 61 - 62