@misc{indiciaebc2a76ca4e55,
  title = {Future System Science Mission Targets for Heliophysics},
  author = {Spann, James and Christensen, Andrew B. and SaintCyr, O. C. and Giles, Barbara I. and Posner, Arik},
  year = {2009},
  url = {https://ntrs.nasa.gov/citations/20090043216},
  note = {Source identifier: 20090043216}
}