Subject(s): City planning :Mathematical models -- Cities and towns : Mathematical models -- Large-scale Models -- Spatial Interactions and Metropolitan Cities, Traffic in Cities, Intra-Urban Location, A Model of Metropolis, Use of Land -- Spatial Interaction-1: retail -- Spatial Interaction-2: Transport: SELNEC Transport Model, -- Spatial Interaction-3: Residential Location : Urban Land Market, Residential Activities in Urban Area -- Economics : Transportation, Loction and Space Economics, Multi Regional,Structure of the Stockholm Economy, -- Micro-Simulation, Network Analysis, Urban Dynamics : Socio-Economical Aspects,