1. Formation of photochemical π-cation radicals

   • C. R. Guest
   • K. D. Straub
   • P. M. Rentzepis

   OriginalPaper Pages: 203 - 216

2. A VB model of transition structure regions of the potential energy surfaces for forbidden and allowed cycloaddition reactions

   • F. Bernardi
   • M. Olivucci
   • M. A. Robb

   OriginalPaper Pages: 217 - 249

3. High amplification cobalt imaging system

   • Thap Dominh

   OriginalPaper Pages: 251 - 262

4. Decarbonylation vs. ketene elimination α- vs. β-cleavage) in acyl-alkyl-1,4-biradicals

   • Klaus Hobel
   • Paul Margaretha

   OriginalPaper Pages: 263 - 268

5. Reactions of ¹CH₂, Cl and Br in the presence of nitrous oxide

   • T. N. Bell
   • F. Faraji

   OriginalPaper Pages: 269 - 274

6. Esr and cidep studies of the photooxidation of phenols in single crystals and in solutions

   • M. Catherine Depew
   • Shuji Emori
   • Jeffrey K. S. Wan

   OriginalPaper Pages: 275 - 284

7. Laser induced fluorescence of HNO and DNO ã¹A″ — -X¹A′ in a supersonic free jet

   • Shinya Mayama
   • Ken Egashira
   • Kinichi Obi

   OriginalPaper Pages: 285 - 302

8. Chemical reactivity in liquids

   • J. K. S. Wan

   Book Review Pages: 303 - 304

9. Announcements

   Announcement Pages: 305 - 305