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Publisher:
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[Washington, DC : Federal Communications Commission,, 2010]. |
Phys. Desc.:
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1 online resource (xv, 360 pages : color illustrations, color map
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Digital Content
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Click for online content. |
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Publisher:
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[Washington, D.C.] : Office of Science and Technology Policy, 2013. |
Phys. Desc.:
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1 online resource (26 pages) : illustrations
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Digital Content
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Click for online content. |
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Publisher:
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[Washington, D.C.] : Executive Office of the President, 2015. |
Phys. Desc.:
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1 online resource (37 pages) : illustrations
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Digital Content
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Click for online content. |
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