@misc{indiciae6c6e17f7a712,
  title = {World Wind 3D Earth Viewing},
  author = {Hogan, Patrick and Maxwell, Christopher and Kim, Randolph and Gaskins, Tom},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20090041253},
  note = {Source identifier: 20090041253}
}