Oleg Zabluda's blog
Sunday, October 15, 2017
 
The Red Atlas: How the Soviet Union Secretly Mapped the World
The Red Atlas: How the Soviet Union Secretly Mapped the World
http://www.nature.com/nature/journal/v550/n7675/full/550187a.html
http://www.nature.com/nature/journal/v550/n7675/full/550187a.html

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