Published on *Computer Science Department at Princeton University* (http://www.cs.princeton.edu)

- TR-078-87 - Some Problems on Doubly Periodic Infinite Graphs (1987)
- TR-066-86 - Planarity Testing of Doubly Periodic Infinite Graphs (1986)
- TR-053-86 - A Semiring On Convex Polygons and Zero-Sum Cycle Problems (1986)
- TR-031-86 - Optimization of One-Bit Full Adders Embedded in Regular Structures (1986)