1. The electronic absorption spectra and the electronic structures of cytosine, isocytosine, and their anions and cations

   • Hiroshi Morita
   • Saburo Nagakura

   Commentationes Pages: 279 - 295

2. Theoretische Überlegungen zur Cyclooctatetraensynthese nach Reppe

   • Ernst -Albrecht Reinsch

   Commentationes Pages: 296 - 306

3. Das Kombinierte Näherungsverfahren

   • W. H. Eugen Schwarz

   Commentationes Pages: 307 - 324

4. Theoretical studies on the electronic spectra of substituted aromatic molecules

   • F. P. Billingsley II
   • J. E. Bloor

   Commentationes Pages: 325 - 343

5. Quantum mechanical calculations on barriers to internal rotation

   • M. -Cl. Moireau
   • A. Veillard

   Commentationes Pages: 344 - 357

6. Electronic spectra of diaminopyridines

   • J. Budzlński
   • J. S. Kwiatkowski

   Relationes Pages: 358 - 360

7. Structure électronique de quelques dérivés nitrés insaturés (méthode L.C.A.O. améliorée)

   • Maurice Bonnet

   Relationes Pages: 361 - 364

8. Simple electrostatic model for the I — A approximation

   • Antony F. Saturno

   Relationes Pages: 365 - 368