@misc{indiciae1c4f74dd82e8,
  title = {Vector Topographic Map Data over the BOREAS NSA and SSA in SIF Format},
  author = {Knapp, David and Nickeson, Jaime and Hall, Forrest G.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20010022239},
  note = {Source identifier: 20010022239}
}