1. The EXoplanetary Circumstellar Environments and Disk Explorer (EXCEDE);Guyon,2012
2. For Exo-C and Exo-S mission concepts, see http://exep.jpl.nasa.gov/stdt/.
3. For the WFIRST coronagraph study, see http://wfirst.gsfc.nasa.gov/.
4. Survey of Experimental Results in High-Contrast Imaging for Future Exoplanet Missions;Lawson,2013
5. LONG-TERM STABILITY OF PLANETS IN THEαCENTAURI SYSTEM