1. The Darwin mission;Fridlund;Adv. Space Res.,2004
2. The stellar imager (SI) vision mission;Carpenter,2006
3. Searching for life with the terrestrial planet finder: Lagrange point options for a formation flying interferometer;Beichman;Adv. Space Res.,2004
4. Libration point missions, 1978–2002;Dunham,2003
5. Coronal mass ejection early-warning mission by solar-photon sailcraft;Vulpetti;Acta Astronaut.,2017