@misc{indiciae6d50cfd9009a,
  title = {Accessing small inner working angles with a rotating sub-aperture nuller on a single-aperture telescope},
  author = {Serabyn, Gene},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20060044230},
  note = {Source identifier: 20060044230}
}