strangehorizons.com
strangehorizons.com
arxiv.org
arXiv.org
https://arxiv.org › pdf › 0802.3746
apps.dtic.mil
digital.library.unt.edu
ijeit.com
en.wikipedia.org
quizlet.com
fojacksonnews.files.wordpress.com
fojacksonnews.files.wordpress.com
https://fojacksonnews.files.wordpress.com › 2014 › 08 › 011-rqs-chapter-11.pdf
sciencedirect.com
sciencedirect.com
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