1. Young operator methods for fermion systems

   • Yaxiong Yu
   • Pancracio Palting
   • Ying-Nan Chiu

   OriginalPaper Pages: 125 - 141

2. A theoretical determination of the electronic spectrum of Methylenecyclopropene

   • Manuela Merchant
   • Remedios González-Luque
   • Björn O. Roos

   OriginalPaper Pages: 143 - 154

3. Theoretical study of magnetic properties of ammonia molecule in nonuniform magnetic field

   • M. C. Caputo
   • M. B. Ferraro
   • P. Lazzeretti

   OriginalPaper Pages: 155 - 176

4. T-hull relations for shape envelopes of molecular contours

   • Douglas J. Klein
   • Paul G. Mezey

   OriginalPaper Pages: 177 - 182

5. Book review

   • J. Paldus Waterloo

   BookReview Pages: 183 - 184

6. Announcement

   Announcement Pages: 185 - 185