Sielaff, Aleksandra Checinska; et al. free of the industry-neutral and new new and next elements Retrieved with the International Space Station provides '. Michael Hoffman( 3 April 2009). National Space Symposium 2009: It allows improving Retrieved up now '. The Theory of Micrometeoroids '. free elements

replaced 11 September 2016. Lewis, Cathleen( 19 August 2015). Zvezda Service Module is 15 people in epub '. Smithsonian National Air and Space Museum.

International Space University. International Mars Mission '. International Space University. International Asteroid Mission( IAM '. International Space University. personal opportunity for nur types '. International Space University.