Joel Grus
Allen B. Downey
Sunit Kumar Sen
Joseph A. Wattleworth
Richard J. Long
Howard Ostroff
Ramesh S. Gaonkar
Scott Murray
Instituto Nacional del Transporte (Colombia)
Andrew Doswell
Joseph A Wattleworth
Donald A. Norman
Inc Multiplications
United States. Federal Highway Administration. Office of Research.
Unknown Author
International Workshop on Computer-aided Scheduling of Public Transport (6th 1993 Lisbon, Portugal)
Ben Shneiderman
Kenniston W. Lord Jr.
Michael Dirolf