http://www.wired.co.uk/news/archive/2014-07/31/nasa-validates-impossible-space-drive
http://ntrs.nasa.gov/search.jsp?R=20110023492
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20110015936.pdf
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20140000851.pdf
https://www.facebook.com/eagleworksnasa
https://www.flickr.com/photos/123021064@N05/sets/72157644113972600/
https://www.flickr.com/photos/123021064@N05/sets/72157644917560879/
http://www.tmro.tv/2014/08/03/where-should-we-colonize-first/
https://www.flickr.com/photos/123021064@N05/14512711683/in/set-72157644917560879/
http://www.popsci.com/article/technology/fuel-less-space-drive-may-actually-work-says-nasa
http://www.armaghplanet.com/blog/no-nasa-has-not-verified-an-impossible-space-drive.html
http://www.rexresearch.com/fetta/fetta.htm
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20140012846.pdf
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20110015348.pdf
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20120002992.pdf
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20120002992.pdf
https://www.flickr.com/photos/123021064@N05/14512711683/in/set-72157644917560879/
http://ntrs.nasa.gov/search.jsp?R=20110023492
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20030004285.pdf