K. Ruland

The pickup and delivery problem: Faces and branch-and-cut algorithm

K. Ruland, E. Rodin, 1997 .

Survey of facial results for the traveling salesman polytope

Ervin Y. Rodin, K. Ruland, E. Rodin, 1998 .

A model for aeromedical routing and scheduling

K. Ruland, Kevin S. Ruland, 1999 .