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Wednesday, January 18, 2012

JacksMars: Mars And Artificial Gravity

JacksMars: Mars And Artificial Gravity: https://docs.google.com/viewer?a=v&pid=gmail&attid=0.1&thid=134ed0c9c6559000&mt=application/pdf&url=https://mail.google.com/mail/?ui%3D2%26i...

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