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World steamship routes, 1913 (증기기관이 바꿔 놓은 세상)
bus333
2016. 12. 31. 22:22
World steamship routes, by volume of trade, 1913
Source: Based on Latham (1978: 33, Map 2)
출처 : The Geography of the World Economy by Paul Knox (6th) (2014) - 221page