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1
by Johnson, Les
Published 2013
Springer New York
Table of Contents: “...: If we were to lose our satellites -- The Global Positioning System (Military Uses) -- Economic Fallout...”
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2
by Matloff, Greg, Bangs, C., Johnson, Les
Published 2010
Copernicus
Table of Contents: “... -- Mitigating Global Warming -- Settling the Solar System -- Paradise Regained: An Optimistic Future...”