1. 1Rationale for Need of In-Orbit Servicing Capabilities for GEO Spacecraft (AIAA 2013-5444)
2. AIAASPACE 2013 Conference and Exposition,2013, 10.2514/6.2013-5444
3. http://www.nasaspaceflight.com/2013/05/mev-rescue-hope-for-crippled-satellites/ "MEV to therescue - Hopefor crippled satellites", May2013