Canadian Geographies / Géographies canadiennes · 1968 · 17 citations · 2 references
Social SciencesGeographyTransport GeographyTransportationTransportation GeographyTransportation EconomicsRefraction
2
On the Shortest Route Through a Network
George B. Dantzig · Management Science · 1960 · 226 citations
Transportation, Social Physics, And The Law Of Refraction
William Warntz · The Professional Geographer · 1957 · 49 citations