1. A comparison of various MO methods for predicting regioselectivity in Diels-Alder reactions

   • Chen Zhixing

   Original Investigations Pages: 293 - 299

2. On the evaluation of the geometrical factors utilized in ligand polarization calculations

   • Teodoro Meruane
   • Roberto Acevedo

   Original Investigations Pages: 301 - 317

3. Exchange interactions between dimers of chromium(III). A cluster approach

   • Urs Hauser
   • Hans U. Güdel

   Original Investigations Pages: 319 - 327

4. Theoretical study of the potential energy curves of the series of diatomic radicals Me_IIX

   • Raffaele Montagnani
   • Pierluigi Riani
   • Oriano Salvetti

   Original Investigations Pages: 329 - 334

5. Molecular orbital resonance theory: A new approach to the treatment of quantum chemical problems

   • Tomislav P. Živković

   Original Investigations Pages: 335 - 350

6. A CNDO/INDO crystal orbital model for transition metal polymers of the 3d series—basis equations

   • Michael C. Böhm

   Original Investigations Pages: 351 - 372

7. A CNDO/INDO crystal orbital model for transition metal polymers of the 3d series—the band structure of nickel(II)glyoximate

   • Michael C. Böhm

   Original Investigations Pages: 373 - 396

8. Calculation of the diamagnetic shielding of the nuclei by the point-charge approximation

   • Zvonimir B. Maksić
   • Krešimir Rupnik

   Short Communication Pages: 397 - 401