1. Convex disks can cover their shadow

   • Géza Kós
   • Jenő Törőcsik

   OriginalPaper 01 December 1990 Pages: 529 - 531

2. Partitioning arrangements of lines II: Applications

   • Pankaj K. Agarwal

   OriginalPaper 01 December 1990 Pages: 533 - 573

3. Toughness and Delaunay triangulations

   • Michael B. Dillencourt

   OriginalPaper 01 December 1990 Pages: 575 - 601

4. W _v paths on the torus

   • D. W. Barnette

   OriginalPaper 01 December 1990 Pages: 603 - 608