title: A note on sufficient conditions for negative exponential population densities.
mesh_terms: D003710:Demography; D005069:Evaluation Studies as Topic; D005843:Geography; D008962:Models, Theoretical; D011153:Population; D011156:Population Density; D012106:Research; D014505:Urban Population
keywords: Critique; Geographic Factors; Mathematical Model; Models, Theoretical; Population; Population Density; Research Methodology; Spatial Distribution; Urban Spatial Distribution