1. Chip-Firing Games on Directed Graphs

   • Anders Björner
   • László Lovász

   OriginalPaper Pages: 305 - 328

2. On the p-Rank of the Adjacency Matrices of Strongly Regular Graphs

   • A.E. Brouwer
   • C.A. Van Eijl

   OriginalPaper Pages: 329 - 346

3. A Graham-Sloane Type Construction for s-Surjective Matrices

   • Iiro Honkala

   OriginalPaper Pages: 347 - 351

4. On Subgraphs in Distance-Regular Graphs

   • J.H. Koolen

   OriginalPaper Pages: 353 - 362

5. The Subconstituent Algebra of an Association Scheme, (Part I)

   • Paul Terwilliger

   OriginalPaper Pages: 363 - 388