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Travel demand models : three articles
Bruzelius, Nils, (1981)
A modal split model for Swedish exports and imports
Norström, Göran, (1978)
Økonomisk vurdering av reisetid : teori og praxis
Hansen, Stein, (1969)
Location-allocation problems
Cooper, Leon, (1963)
Bounds on the Weber problem solution under conditions of uncertainty
Cooper, Leon, (1978)
An extension of the generalized Weber problem
Cooper, Leon, (1968)