1. Symmetry adaption

   • Gerhard Fieck

   Original Investigations Pages: 187 - 198

2. Symmetry adaption

   • Gerhard Fieck

   Original Investigations Pages: 199 - 210

3. Symmetry adaption

   • Gerhard Fieck

   Original Investigations Pages: 211 - 222

4. On the evaluation of CI matrix elements for a canonically ordered basis

   • Paul J. A. Ruttink

   Original Investigations Pages: 223 - 239

5. Molecular orbitals studies on two limiting structures of conjugated vinyl cation, C₄H₄F⁺

   • Toingming A. Go
   • Keith Yates
   • Imre G. Csizmadia

   Original Investigations Pages: 241 - 248

6. Reaction pathways for various ketene dimers

   • Karl Jug
   • C. P. D. Dwivedi
   • James S. Chickos

   Original Investigations Pages: 249 - 257

7. The excited states of bipyridyl and phenanthroline complexes of Fe(III), Ru(II) and Ru(III): A molecular orbital study

   • Bryan Mayoh
   • Peter Day

   Original Investigations Pages: 259 - 275

8. The instability of the planar structure of carbanion ⊖:CH₂-CN

   • Paul G. Mezey
   • Michael A. Robb
   • Imre G. Csizmadia

   Short Communication Pages: 277 - 281