Distances between cities acting as national midpoints in the European system 1816-1980
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下载链接：
https://datacatalogue.cessda.eu/detail/3e08be7956321df8541e21d1efeed03a524f03df2a5d1b79a0249215d8bc644e/?lang=en
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资源简介：
<p>Measurement of distances between European states in the period 1816-1980. These distances were used as system parameters for a model of European power relations during this period. The distances were obtained by applying trigonometric calculation to the spherical coordinates of cities acting as national midpoints.</p>
提供机构：
DANS Data Station Social Sciences and Humanities
创建时间：
2014-01-09
