NASA Clean Air Study - Wikipedia, the free encyclopedia
July 7, 2014 at 2:22:14 PM GMT+2 * - permalink -

- https://en.wikipedia.org/wiki/NASA_Clean_Air_Study#cite_note-Wolverton1996-5

Wanna Build a Rocket? NASA’s About to Give Away a Mountain of Its Code | Enterprise | WIRED
April 16, 2014 at 8:39:38 PM GMT+2 * - permalink -

- http://www.wired.com/2014/04/nasa-guidebook/?mbid=social_fb

Google-Chefs bekamen Regierungsrabatt für Flugbenzin - SPIEGEL ONLINE
December 12, 2013 at 11:14:18 AM GMT+1 * - permalink -

- http://www.spiegel.de/wirtschaft/unternehmen/google-chefs-bekamen-regierungsrabatt-fuer-flugbenzin-a-938580.html