1. In This Issue

   • Lionel Briand
   • Vic Basili

   Editorial Introduction Pages: 323 - 324

2. Analogy-Based Practical Classification Rules for Software Quality Estimation

   • Taghi M. Khoshgoftaar
   • Naeem Seliya

   OriginalPaper Pages: 325 - 350

3. Determining the Distribution of Maintenance Categories: Survey versus Measurement

   • Stephen R. Schach
   • BO Jin
   • Jeff Offutt

   OriginalPaper Pages: 351 - 365

4. An Externally Replicated Experiment for Evaluating the Learning Effectiveness of Using Simulations in Software Project Management Education

   • Dietmar Pfahl
   • Oliver Laitenberger
   • Günther Ruhe

   OriginalPaper Pages: 367 - 395