1. Pariser-Parr-Pople-Rechnungen mitσ- undπ-Basisorbitalen

   • M. Jungen
   • H. Labhart
   • G. Wagnière

   Commentationes Pages: 305 - 316

2. Exciton-exciton interaction resulting from phonon-exciton coupling

   • Andrzej Witkowski

   Commentationes Pages: 317 - 320

3. Etude des spectres électroniques de quelques p. quinones polycycliques par la méthode de Pariser-Parr-Pople

   • Claude Leibovici
   • Jean Deschamps

   Commentationes Pages: 321 - 331

4. Connections between currentπ-electron theories

   • Inga Fischer-Hjalmars

   Commentationes Pages: 332 - 342

5. On the calculation of energies of excited states

   • Jerry Goodisman

   Commentationes Pages: 343 - 346

6. π-electron approximation in pyridine and related compounds

   • A. Veillard
   • G. Berthier

   Commentationes Pages: 347 - 351

7. Self-consistent molecular orbital calculations on organoboron compounds Part 1. Halogenovinylboranes

   • D. R. Armstrong
   • P. G. Perkins

   Commentationes Pages: 352 - 366

8. Approximate analytical orbital functions for second and third-row transition metals

   • Harold Basch
   • Harry B. Gray

   Commentationes Pages: 367 - 376

9. Ground state wavefunctions of some conjugated carbon compounds — NPSO method

   • P. B. Empedocles
   • J. W. Linnett

   Commentationes Pages: 377 - 389

10. Lower excited state wavefunctions for some conjugated carbon compounds — NPSO method

    • P. B. Empedocles
    • J. W. Linnett

    Commentationes Pages: 390 - 392