1. Editorial

   • Y. C. Ho

   EditorialNotes Pages: 247 - 248

2. Full-state perturbation analysis of discrete event dynamic systems

   • Zi-Qin Wang
   • Wen-Zhong Song
   • Chun-Bo Feng

   OriginalPaper Pages: 249 - 270

3. Event rates and aggregation in hierarchical discrete event systems

   • Kevin M. Passino
   • Panos J. Antsaklis

   OriginalPaper Pages: 271 - 287

4. New performance sensitivity formulae for a class of product-form queueing networks

   • Xi-Ren Cao
   • Dye-Jyun Ma

   OriginalPaper Pages: 289 - 313

5. Monotonicity properties of cost functions in queueing networks

   • Panayotis D. Sparaggis
   • Christos G. Cassandras

   OriginalPaper Pages: 315 - 327

6. Contributing authors

   Announcement Pages: 329 - 332

7. Modeling operator/workstation interference in asynchronous automatic assembly systems

   • Manjunath Kamath
   • Jerry L. Sanders

   Erratum Pages: I - I