CITY SIZE DISTRIBUTIONS AND URBAN DENSITY FUNCTIONS: SOME INTERRELATIONSHIPS*
研究了单个城市内部人口分布与全国城市间人口分布之间的数学关系，探讨了两种分布参数随时间的变化，并提出了一个城市系统发展的演化模型。
This paper is concerned with "relating the apparent regularities of the population distribution within individual cities to the regularities with which the urban population of a nation is distributed among cities....An attempt is first made to draw the two distributions together in mathematical terms. The discussion then turns to a theoretical consideration of possible interrelations between the two distributions, after which the temporal variation of the parameters of each distribution is examined. This leads to the outlining of an evolutionary model of urban-system development, based on the passage through a number of stages." The analysis focuses on urban systems in Europe and North America.