1. and , Optimization of concentrator locations in teleprocessing networks, Proc. Symp. Comput. Commun. Networks and Tele-Traffic. Brooklyn, NY (1972).
2. and , A restricted Lagrangian approach to the traveling salesman problem. Working Paper (1979).
3. Partitioning procedures for solving mixed-variables programming problems. Numerische Mathematik. (1962).
4. Large-Scale Network Topological Optimization
5. The Capacitated Minimum Spanning Tree