title: Spatial aggregation in gravity models; pt. 3, two-dimensional trip distribution and location models.
authors.forename: M
authors.initials: M
authors.lastname: Batty
authors.forename: P K
authors.initials: PK
authors.lastname: Sikdar
mesh_terms: D019049:Developed Countries; D005060:Europe; D008962:Models, Theoretical; D012106:Research; D013223:Statistics as Topic; D006113:United Kingdom; D014852:Wales
keywords: Developed Countries; Europe; Models, Theoretical; Northern Europe; Research Methodology; Statistical Studies; Studies; United Kingdom; Wales