1. Bond index: relation to second-order density matrix and charge fluctuations

   • Myriam S. de Giambiagi
   • Mario Giambiagi
   • Francisco E. Jorge

   OriginalPaper Pages: 337 - 341

2. Valency changes in chemical reactions

   • Karl Jug
   • M. S. Gopinathan

   OriginalPaper Pages: 343 - 349

3. Two-dimensional model of intramolecular hydrogen bond

   • S. Ia. Ishenko
   • M. V. Vener
   • V. M. Mamaev

   OriginalPaper Pages: 351 - 362

4. A note on the attainability of states by equalizing processes

   • C. Zylka

   OriginalPaper Pages: 363 - 377

5. Study of approximate coupled cluster methods for first-order static properties

   • Sourav Pal

   OriginalPaper Pages: 379 - 388

6. A molecular orbital study of the bonding in complexes of lithium with polynuclear aromatic hydrocarbons

   • D. A. Morton-Blake
   • J. Corish
   • F. Bénière

   OriginalPaper Pages: 389 - 405

7. Factors determining bond angles from a classical valence bond perspective. Covalent structure of H₂O

   • Robert G. A. R. Maclagan
   • Bernard Kirtman

   OriginalPaper Pages: 407 - 417

8. Book reviews

   • A. D. J. Haymet
   • Walter S. Struve

   BookReview Pages: 419 - 420