1. On covering designs with block size 5 and index 5

   • Ahmed M. Assaf

   OriginalPaper Pages: 91 - 107

2. Complete variable-length “fix-free” codes

   • David Gillman
   • Ronald L. Rivest

   OriginalPaper Pages: 109 - 114

3. Perfect factors in the de Bruijn graph

   • Kenneth G. Paterson

   OriginalPaper Pages: 115 - 138

4. On thep-ranks of net graphs

   • René Peeters

   OriginalPaper Pages: 139 - 153

5. Nonisomorphic complete sets of F-rectangles with prime power dimensions

   • Stephan J. Suchower

   OriginalPaper Pages: 155 - 174