1. Editorial

   • Yu-Chi Ho

   EditorialNotes Pages: 219 - 220

2. Marking optimization of stochastic timed event graphs using IPA

   • J. M. Proth
   • N. Sauer
   • X. L. Xie

   OriginalPaper Pages: 221 - 239

3. Hierarchical control of discrete-event systems

   • K. C. Wong
   • W. M. Wonham

   OriginalPaper Pages: 241 - 273

4. Hierarchical control of timed discrete-event systems

   • K. C. Wong
   • W. M. Wonham

   OriginalPaper Pages: 275 - 306

5. Book review

   • Michael Taksar

   BookReview Pages: 307 - 309

6. Contributing authors

   Announcement Pages: 311 - 314