The aim of this article is to explain why and how two formerly hostile states such as the USSR and West Germany concluded a gas deal in 1970 that lasted not only the 20 years that had been initiall...

中文翻译：

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管道建​​设是外交政策中的“软实力”。为什么苏联开始向西德出售天然气，1966-1970

本文的目的是解释苏联和西德等两个以前的敌对国家为何以及如何在 1970 年达成一项天然气交易，该交易不仅持续了最初的 20 年……