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Urban mass transportation, 1961
(1961)
The role of mass transit : twin cities metropolitan area
(1963)
Returns to scale in the United States intercity bus industry
Williams, Martin, (1981)
Mobility evaluation for urban public transportation
Popper, Robert Jay, (1976)
Adaptive diagnosis of problems
Dickey, John W., (1972)
Minimizing economic segregation through transit system changes : a goal programming approach