NPOI - Naval Prototype Optical Interferometer  
Naval Prototype Optical Interferometer U.S. Naval Observatory Naval Prototype Optical Interferometer Naval Research Laboratory Naval Prototype Optical Interferometer Lowell Observatory
Naval Prototype Optical Interferometer Naval Prototype Optical Interferometer Naval Prototype Optical Interferometer Naval Prototype Optical Interferometer Naval Prototype Optical Interferometer
U.S. Naval Observatory Naval Research Laboratory
Lowell Observatory

Publications

U.S. Naval Observatory Naval Research Laboratory Lowell Observatory