A preliminary study of commuter rail systems by analytical models and computer simulation.

"The results of a research project undertaken by the Department of Industrial Engineering and Administration of the Cornell University College of Engineering under a summer grant [1963] from the New York State Office of Transportation."

An analytical model to predict ship transit capacities of sea-level canals /

See errata at end of item for cover, foreward, pages 26 and 29, and Form 1473.